86 results on '"Mor, SM"'
Search Results
2. A vision of a One Health system for Australia: on the need to rethink our health system
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Steele, SG, Toribio, J-AL, Mor, SM, Steele, SG, Toribio, J-AL, and Mor, SM
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- 2022
3. 'It's our job': Constraints to investigation of a typical disease events-Opinions of Australian veterinarians
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Steele, SG, Mor, SM, Toribio, J-ALML, Steele, SG, Mor, SM, and Toribio, J-ALML
- Abstract
Frontline health practitioners need to be adequately prepared to recognize and respond to atypical disease presentations, some of which may have zoonotic potential. Data from previous research have suggested that veterinarians may face challenges in investigation of disease events due to time and money constraints. As part of an Australia-wide survey project, veterinarians were asked to answer an open-ended question regarding potential constraints in investigation of atypical disease events where there may be concern about a zoonosis or emerging infectious disease. Qualitative data were analysed using thematic content analysis with the consideration of the respondent's area of practice and level of experience. Five main themes were identified which encapsulated constraints to disease investigation described by participants, namely: (a) financing of disease investigations, including client willingness/ability to pay in absence of alternative government schemes; (b) client-related factors, including willingness to consent to investigation and comply with instructions; (c) professional preparedness to act, related to practitioner knowledge and technical competency; (d) workplace environment, impacted by physical, logistical and managerial aspects of workplaces; and (e) access to external technical support, primarily from government veterinary services. Successful investigation and management of atypical diseases, including potential zoonoses, requires preparedness of all veterinarians. Continuing professional education for veterinarians in infection prevention and control and biosecurity, alongside adequate government funding and support will help facilitate optimal health and biosecurity outcomes. Both state and federal governments need to review existing animal health structures to ensure cohesive responses for future disease events.
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- 2021
4. Towards One Health clinical management of zoonoses: A parallel survey of Australian general medical practitioners and veterinarians
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Steele, SG, Booy, R, Manocha, R, Mor, SM, Toribio, J-ALML, Steele, SG, Booy, R, Manocha, R, Mor, SM, and Toribio, J-ALML
- Abstract
General medical practitioners (GPs) and veterinarians have different but complementary knowledge and skills, with potential to enhance clinical management of zoonoses in human and animal patients through taking a One Health approach that promotes cross-professional collaboration. Ability and willingness to engage within this framework is contingent on knowledge of endemic zoonoses and an understanding of the diversity of professional roles; however, previous research suggests that this is lacking. A unique parallel survey of Australian GPs and veterinarians was implemented to ascertain clinician experience, concern, confidence and current practices regarding zoonoses management as well as willingness to engage in cross-professional collaboration where it is beneficial to overall health outcomes. Responses from 528 GPs and 605 veterinarians were analysed. Veterinarians in clinical practice were found to more frequently diagnose zoonoses; have greater concern about zoonoses; be more confident in diagnosing, managing and giving advice about the prevention of zoonoses; more likely to give advice about managing the risk of zoonoses; and more likely to initiate cross-professional referral compared to GPs (p < .001 in all areas, adjusted for other factors). The findings of this study indicate a need for change in both clinical and continuing professional education, especially for GPs, in order to better equip them in the area of zoonoses management. Exploration of pathways to encourage and facilitate cross-professional referral and collaboration will further improve clinical outcomes for both human and animal patients.
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- 2021
5. Global health security must embrace a One Health approach: Contributions and experiences of veterinarians during the COVID-19 response in Australia
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Steele, SG, Toribio, J-ALML, Mor, SM, Steele, SG, Toribio, J-ALML, and Mor, SM
- Abstract
SARS-CoV-2, a betacoronavirus of likely zoonotic origin, was first reported in December 2019. Its rapid worldwide spread precipitated a range of interventions, including by veterinarians, due to impacts on human health and well-being as well as animal health and welfare. We conducted 36 key informant interviews to explore the responses of Australian veterinarians, their engagement in One Health collaboration and cooperation, and their existing and developed insights to the COVID-19 pandemic. Responses were analysed using thematic analysis. Australian veterinarians provided valuable contributions to the national COVID-19 response by protecting animal welfare, maintaining local food security, providing essential veterinary services while mitigating human health risks in clinical settings and providing both key skills and surge capacity to the human health response. This was all guided by skills in scientific literacy and evidence-based communication. Informants identified a clear and urgent need for greater One Health coordination during pandemic prevention, preparedness, and response, even in the case of a disease which largely only affects humans.
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- 2021
6. Brucella suis Seroprevalence and Associated Risk Factors in Dogs in Eastern Australia, 2016 to 2019
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Kneipp, CC, Sawford, K, Wingett, K, Malik, R, Stevenson, MA, Mor, SM, Wiethoelter, AK, Kneipp, CC, Sawford, K, Wingett, K, Malik, R, Stevenson, MA, Mor, SM, and Wiethoelter, AK
- Abstract
Brucella suis is a zoonotic disease of feral pigs that also affects pig hunting dogs, pig hunters, veterinarians and veterinary staff. In recent years the incidence of B. suis in the eastern Australian states of New South Wales (NSW) and Queensland (QLD) has increased. A cross-sectional study was conducted to document the seroprevalence, geographical extent and risk factors for B. suis in dogs at-risk of contracting the disease. Eligible dogs were those that were known to hunt or consume feral pig meat. Dogs were enrolled through private veterinary clinics and/or directly by District Veterinarians in six regions of NSW and QLD. Blood was collected by venepuncture and tested for B. suis antibodies using the Rose Bengal Test (RBT) followed by a Complement Fixation Test (CFT) if they returned a positive RBT. Owners were invited to complete a questionnaire on the dogs' signalment, husbandry including hunting practices and locations, and any clinical signs referable to brucellosis. Of the 317 dogs included in the prevalence survey, 21 were seropositive returning a survey-adjusted true seroprevalence of 9.3 (95% CI 0.45 to 18) B. suis positive dogs per 100 dogs at-risk. True seroprevalence ranged from 0 to 24 B. suis positive dogs per 100 across eastern Australia, with the highest prevalence in central west NSW and southern QLD. Adjusted for other factors, dogs that shared a household with other seropositive dogs and those that traveled away from their home regions to hunt were more likely to be seropositive. Clinical signs at presentation were not predictive of serostatus, with seropositive and seronegative dogs equally likely to present with signs consistent with brucellosis. The results obtained from this study show that B. suis exposure is relatively common in dogs that have contact with feral pigs, with one in 10 testing seropositive. Further studies are needed to understand the progression and risk of transmission from seropositive dogs.
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- 2021
7. What makes an effective One Health clinical practitioner? Opinions of Australian One Health experts
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Steele, SG, Toribio, J-A, Booy, R, Mor, SM, Steele, SG, Toribio, J-A, Booy, R, and Mor, SM
- Abstract
Despite agreement that One Health practices facilitate effective management of zoonoses, the pathways to a coordinated and collaborative approach by general medical practitioners (GPs) and veterinarians are hampered by limited understanding of how this can be practically incorporated in routine clinical settings. Data collected during a Delphi survey of Australian One Health 'experts' was used to explore opinions and insights into desired knowledge, attitudes and practices of effective One Health clinical practitioners. Five categories were identified as essential for GPs and veterinarians, namely: accurate baseline knowledge of specific zoonoses; a 'big picture' understanding of zoonoses; understanding of professional roles within the One Health paradigm; understanding one's own professional limitations; and collaboration and referral improve outcomes. An outline of the roles and responsibilities of GPs and veterinarians as effective One Health clinicians was determined based on the opinions of the expert panel. Educational interventions that foster interprofessional communication and collaboration will be necessary to successfully bring about the cultural change required to achieve effective One Health practice in Australia, and thus expedite improved human, animal and environmental health outcomes.
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- 2019
8. A One Health investigation of Salmonella enterica serovar Wangata in north-eastern New South Wales, Australia, 2016-2017
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Collins, J, Simpson, KMJ, Bell, G, Durrheim, DN, Hill-Cawthorne, GA, Hope, K, Howard, P, Kohlenberg, T, Lawrence, K, Lilly, K, Porigneauxl, P, Sintchenko, V, Wang, Q, Ward, MP, Wiethoelter, A, Mor, SM, Flint, J, Collins, J, Simpson, KMJ, Bell, G, Durrheim, DN, Hill-Cawthorne, GA, Hope, K, Howard, P, Kohlenberg, T, Lawrence, K, Lilly, K, Porigneauxl, P, Sintchenko, V, Wang, Q, Ward, MP, Wiethoelter, A, Mor, SM, and Flint, J
- Abstract
Salmonella enterica serovar Wangata (S. Wangata) is an important cause of endemic salmonellosis in Australia, with human infections occurring from undefined sources. This investigation sought to examine possible environmental and zoonotic sources for human infections with S. Wangata in north-eastern New South Wales (NSW), Australia. The investigation adopted a One Health approach and was comprised of three complimentary components: a case-control study examining human risk factors; environmental and animal sampling; and genomic analysis of human, animal and environmental isolates. Forty-eight human S. Wangata cases were interviewed during a 6-month period from November 2016 to April 2017, together with 55 Salmonella Typhimurium (S. Typhimurium) controls and 130 neighbourhood controls. Indirect contact with bats/flying foxes (S. Typhimurium controls (adjusted odds ratio (aOR) 2.63, 95% confidence interval (CI) 1.06-6.48)) (neighbourhood controls (aOR 8.33, 95% CI 2.58-26.83)), wild frogs (aOR 3.65, 95% CI 1.32-10.07) and wild birds (aOR 6.93, 95% CI 2.29-21.00) were statistically associated with illness in multivariable analyses. S. Wangata was detected in dog faeces, wildlife scats and a compost specimen collected from the outdoor environments of cases' residences. In addition, S. Wangata was detected in the faeces of wild birds and sea turtles in the investigation area. Genomic analysis revealed that S. Wangata isolates were relatively clonal. Our findings suggest that S. Wangata is present in the environment and may have a reservoir in wildlife populations in north-eastern NSW. Further investigation is required to better understand the occurrence of Salmonella in wildlife groups and to identify possible transmission pathways for human infections.
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- 2019
9. Commentary: Retrospective and prospective perspectives on zoonotic brucellosis
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Kneipp, C, Malik, R, Mor, SM, Wiethoelter, AK, Kneipp, C, Malik, R, Mor, SM, and Wiethoelter, AK
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- 2019
10. Clinical management ofBrucella suisinfection in dogs and implications for public health
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James, DR, primary, Golovsky, G, additional, Thornton, JM, additional, Goodchild, L, additional, Havlicek, M, additional, Martin, P, additional, Krockenberger, MB, additional, Marriott, DJE, additional, Ahuja, V, additional, Malik, R, additional, and Mor, SM, additional
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- 2017
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11. Emergence of Brucella suis in dogs in New South Wales, Australia: clinical findings and implications for zoonotic transmission
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Mor, SM, Wiethoelter, AK, Lee, A, Moloney, B, James, DR, Malik, R, Mor, SM, Wiethoelter, AK, Lee, A, Moloney, B, James, DR, and Malik, R
- Abstract
BACKGROUND: Animal reservoirs of brucellosis constitute an ongoing threat to human health globally, with foodborne, occupational and recreational exposures creating opportunities for transmission. In Australia and the United States, hunting of feral pigs has been identified as the principal risk factor for human brucellosis due to Brucella suis. Following increased reports of canine B. suis infection, we undertook a review of case notification data and veterinary records to address knowledge gaps about transmission, clinical presentation, and zoonotic risks arising from infected dogs. RESULTS: Between 2011 and 2015, there was a 17-fold increase in the number of cases identified (74 in total) in New South Wales, Australia. Spatial distribution of cases largely overlapped with high feral pig densities in the north of the state. Ninety per cent of dogs had participated directly in pig hunting; feeding of raw feral pig meat and cohabitation with cases in the same household were other putative modes of transmission. Dogs with confirmed brucellosis presented with reproductive tract signs (33 %), back pain (13 %) or lameness (10 %); sub-clinical infection was also common (40 %). Opportunities for dog-to-human transmission in household and occupational environments were identified, highlighting potential public health risks associated with canine B. suis infection. CONCLUSIONS: Brucellosis due to B. suis is an emerging disease of dogs in Australia. Veterinarians should consider this diagnosis in any dog that presents with reproductive tract signs, back pain or lameness, particularly if the dog has a history of feral pig exposure. Moreover, all people in close contact with these dogs such as hunters, household contacts and veterinary personnel should take precautions to prevent zoonotic transmission.
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- 2016
12. Client knowledge, attitudes and practices regarding zoonoses: a metropolitan experience
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Steele, SG, primary and Mor, SM, additional
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- 2015
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13. Clinical management of Brucella suis infection in dogs and implications for public health.
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James, DR, Golovsky, G, Thornton, JM, Goodchild, L, Havlicek, M, Martin, P, Krockenberger, MB, Marriott, DJE, Ahuja, V, Malik, R, and Mor, SM
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BRUCELLOSIS ,BRUCELLOSIS in animals ,DOG diseases ,GRAM-negative bacterial diseases ,PUBLIC health - Abstract
Background Brucellosis caused by Brucella suis is a notifiable disease that has recently emerged in dogs in New South Wales ( NSW). Given the potential for zoonotic transmission, euthanasia of affected dogs is recommended, but this action is not mandatory. We report the clinical management of three dogs that underwent treatment at their owners' request. Case reports A 14-month-old spayed female crossbreed originally obtained from an urban animal shelter underwent extensive investigations in 2011-12 for lameness and back pain, culminating in decompressive laminectomy. Diagnosis of multifocal discospondylitis and spinal empyema was made, with B. suis cultured from surgical biopsy specimens. The dog responded to long-term treatment using rifampicin and doxycycline. A second case of B. suis infection was diagnosed in January 2016 in a 3-year-old crossbreed pig-hunting dog with unilateral testicular enlargement. Following serological diagnosis the dog was given preliminary therapy using rifampicin and doxycycline, the affected testis was resected and the patient given a further month of combination therapy. In March 2016 a 7-year-old crossbreed pig-hunting dog with brucellosis was handled similarly, although both testes were removed. Conclusion Brucellosis should be considered in the differential diagnosis of back pain, discospondylitis, lameness, abortion, prostatic abscessation and testicular/epididymal enlargement in dogs, especially if there is exposure to feral pigs or consumption of uncooked feral pig meat. Euthanasia is the only guarantee of reducing the public health risk to zero. However, where treatment is desired by the owner, combination therapy using rifampicin and doxycycline appears to be effective, when combined with surgical resection of infected tissues. Further monitoring of dogs during and after treatment is required to document cure. [ABSTRACT FROM AUTHOR]
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- 2017
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14. Parietal hematoma of the small bowel due to anticoagulant overdose: A case report.
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Faye I, Niang FG, Diallo AC, Ndong A, Diop NR, Beye SM, Sarr N, Konaté I, and Diop AN
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Anticoagulant-induced spontaneous small bowel hematoma is a rare cause of acute mechanical bowel obstruction. We report the case of a 77-year-old patient with complete arrhythmia due to atrial fibrillation under acenocoumarol 4mg daily who was seen for right iliac fossa pain. The laboratory tests showed a prothrombin rate (PT) of 12%, an International Normalized Ratio (INR) of 6, and an aPTT (activated partial thromboplastin time) of 43 seconds. Abdominopelvic ultrasound showed an echogenic pelvic effusion. The diagnosis of the small hematoma was made by abdominopelvic CT scan, which showed a thickening of the small bowel wall reducing its caliber associated with a parietal hematoma . The evolution was unremarkable under supplementation therapy vitamin K., (© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)
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- 2024
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15. Evaluation of three serological tests for the diagnosis of Brucella suis in dogs using Bayesian latent class analysis.
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Kneipp CC, Coilparampil R, Westman M, Suann M, Robson J, Firestone SM, Malik R, Mor SM, Stevenson MA, and Wiethoelter AK
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- Animals, Dogs, Serologic Tests veterinary, Serologic Tests methods, Agglutination Tests veterinary, Complement Fixation Tests veterinary, Sensitivity and Specificity, Rose Bengal, Dog Diseases diagnosis, Dog Diseases microbiology, Dog Diseases epidemiology, Brucellosis veterinary, Brucellosis diagnosis, Brucellosis epidemiology, Bayes Theorem, Brucella suis isolation & purification, Brucella suis immunology, Latent Class Analysis, Enzyme-Linked Immunosorbent Assay veterinary
- Abstract
Brucella suis infection of dogs is an emerging issue worldwide requiring specific management to address zoonotic risks and animal welfare concerns. Diagnosis in dogs is routinely based on serological testing, but to date these tests have only been validated for use in production animal species and humans. This study aimed to assess the diagnostic performance of three commonly used serological tests in dogs. Canine sera (n = 989) were tested with the Rose Bengal rapid plate agglutination test (RBRPT), the complement fixation test (CFT) and a competitive ELISA (C-ELISA). Diagnostic test performance was evaluated using a three test, two population Bayesian latent class analysis accounting for conditional dependence between the three tests. Positive and negative predictive values (PPV, NPV) were calculated for a range of expected prevalence estimates for the individual tests and test combinations interpreted in series and parallel. The RBRPT showed the highest individual Se of 0.902 (95 % posterior credible interval [PCI] 0.759-0.978) and the CFT the highest individual diagnostic specificity (Sp) of 0.914 (95 % PCI 0.886-0.946). The C-ELISA had marginally the best overall diagnostic performance (Youden's index = 0.807). The CFT and the C-ELISA interpreted in parallel returned the highest combined Se and Sp (0.988 and 0.885, respectively). All tests returned NPVs of > 0.982 in 2-8 % prevalence settings. Series interpretation of the three-test combination as well as the two-test combinations of the RBRPT and the C-ELISA and the CFT and the C-ELISA produced a PPV of 0.502 when the estimated prevalence was 8 %. While all tests are suitable for the detection of B. suis antibodies in dogs, they should not be interpreted in isolation as their diagnostic value is dependent on the pre-test probability of the disease. As such they are useful tools for the diagnosis of B. suis in dogs when exposure, history and clinical presentation indicate a risk of brucellosis., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)
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- 2024
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16. Knowledge and practice of health workers on sexual and reproductive health and rights and gender-based violence: Evidence from three municipalities in Senegal.
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Diongue FB, Diallo AI, Sougou NM, Ba MF, Ndiaye I, Ndiaye M, Ndiaye S, Samb OM, Mbaye SM, and Faye A
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- Humans, Female, Cross-Sectional Studies, Male, Senegal, Adult, Reproductive Health Services organization & administration, Adolescent, Middle Aged, Reproductive Health, Sexual Health, Health Knowledge, Attitudes, Practice, Health Personnel psychology, Gender-Based Violence
- Abstract
Adolescents in low- and middle-income countries face numerous developmental, sexual and reproductive health (SRHR) challenges, including exposure to multidimensional violence. Dealing with gender-based violence (GBV) is of great importance and health personnel are key players. The objective of this work was to study the knowledge and practices of health personnel on SRHR and gender-based violence in Guédiawaye, Kaolack and Kolda communities in Senegal. A descriptive and analytical cross-sectional study was conducted, which consisted of health professionals (general practitioners and specialists, nurses, and midwives) and community health workers (community relays, bajenu gox, matrons). All health facilities in the three communities were included. Data analysis consisted of univariate analysis and logistic regression modeling to investigate the factors associated with the knowledge and practice of health personnels. An alpha risk of 5% was taken. A total of 78 health professionals and 128 community actors were included in the study. More than half of the health personnel (56.3%) had good knowledge of policies, standards and protocols relating to sexual and reproductive health services for women (adolescents) and about 60% on conventions and laws. The level of knowledge was good among 51% of respondents and good practices among 54.9%. The factors associated with good knowledge were the municipality in which the profession was practiced, and the effects of training received in the social construction of gender. The factors associated with the practices were knowledge of policies, standards and protocols through training, training received in the provision of family planning services, and in medico-psychosocial management of cases of sexual violence. We conclude that the knowledge of stakeholders (health professionals and community health workers) about sexual and reproductive health and gender-based violence is important for better service provision and good management of cases of gender based violence., Competing Interests: The Authors declared no conflict of interest, (African Journal of Reproductive Health © 2024.)
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- 2024
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17. Clinical Significance of Respiratory Involvement in Cryptosporidiosis: Cross-Sectional Study of Children with Diarrhea and Respiratory Symptoms in Uganda.
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Mor SM, Ndeezi G, Ascolillo LR, Tasimwa HB, Attipa C, Sponseller J, Mukunya D, Nakato R, Kayondo LN, Tzipori S, Tumwine JK, and Griffiths JK
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- Humans, Uganda epidemiology, Infant, Male, Female, Child, Preschool, Cross-Sectional Studies, Feces parasitology, Prevalence, Sputum parasitology, Sputum microbiology, HIV Infections complications, HIV Infections epidemiology, Hospitalization, Clinical Relevance, Cryptosporidiosis epidemiology, Cryptosporidiosis complications, Cryptosporidiosis diagnosis, Diarrhea parasitology, Diarrhea epidemiology, Cryptosporidium isolation & purification
- Abstract
Respiratory cryptosporidiosis is considered an occasional, late-stage complication of HIV/AIDS. This study aimed to assess the clinical importance of respiratory cryptosporidiosis in children with diarrhea and respiratory symptoms at Mulago Hospital, Kampala, Uganda. Children aged 9 to 36 months presenting with diarrhea and cough or unexplained tachypnea (N = 1,918) were screened for fecal Cryptosporidium using polymerase chain reaction (PCR). Children with positive stool samples were eligible for further diagnostic tests, including sputum induction. Sputum samples were subjected to PCR for Cryptosporidium, as well as routine microbiology (culture and gram stain) and auramine stain for tuberculosis. Regression analyses were used to investigate 1) factors associated with respiratory cryptosporidiosis and 2) whether respiratory cryptosporidiosis was independently associated with hospitalization. Prevalence of enteric cryptosporidiosis was 260/1,918 (13.6%) (>80% Cryptosporidium hominis). Of the 236 children who had sputum available for analysis, 62 (26.3%) had Cryptosporidium in the sputum, only two of whom had HIV infection. Children with Cryptosporidium in the sputum were more likely to have abnormal oxygen saturation at presentation (SpO2 <96%; P = 0.053); no other differences in frequency or severity of respiratory signs were noted. No alternative bacterial cause of respiratory symptoms was identified in 37.7% of children with respiratory cryptosporidiosis, compared with 23.6% of children without (P = 0.04). Sputum-positive children had twice the odds of hospitalization compared with children without Cryptosporidium infection at this site (adjusted odds ratio = 2.08, 95% confidence interval: 1.02-4.22; P = 0.043). Respiratory tract involvement is common in children with intestinal cryptosporidiosis who are experiencing respiratory symptoms. Such children may experience some degree of respiratory compromise and may be at increased risk for hospitalization.
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- 2024
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18. IHR-PVS National Bridging Workshop for Somalia: An interactive and participatory approach for operationalizing the One Health roadmap.
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Osman AY, Saidouni A, Wambua LW, Mahrous H, Malik SMMR, Lubogo M, Van de Weerdt R, Adam AH, Mohamed HH, Al Makhzoumi K, Ali GA, Nur MO, Fevre S, Mucheru G, Njue S, Mosindo AO, Sandhaus K, Wigand RC, Standley C, Sorrell E, Kock R, Guitian J, Zumla A, Dar O, and Mor SM
- Abstract
Background: National Bridging Workshops (NBW) are a tool for reviewing collaboration gaps between line ministries relevant to the One Health framework., Methods: The NBW for Somalia was held on November 11-13, 2023 in Nairobi, Kenya with support from WHO and WOAH. Participants included representatives from the Somali government both national and sub-national (including Ministry of Health; Ministry of Livestock, Forestry and Range; Ministry of Agriculture and Irrigation; and Ministry of Environment and Climate Change). Other participants included representatives from non-governmental organizations, academia and the quadripartite. Structured sessions guided participants through a step-by-step process, starting from identifying gaps to collectively developing solutions. The design of these sessions aimed to foster active engagement and collaboration with the outcomes of each session contributing to the subsequent one., Results: A total of 60 participants partook in the exercise, representing human health (35%), animal health (27%), agriculture (13%), environmental health (7%) and other relevant sectors (18%). Eighty-three percent of participants represented the national level and 17% the sub-national level. The collaborative effort yielded a joint roadmap comprising 36 activities and 11 objectives. Priority objectives included: development of national joint surveillance systems for selected One Health threats (41/47 votes, or 87% of the total votes); establishment of a high-level ministerial system to govern and coordinate One Health activities (30/47; 64%); and establishment of emergency funding structures for priority zoonotic diseases along with development of a 5-year national investment plan for One Health (27/47; 57%). A total of 94% of activities required low or moderate cost to be implemented, and 90% of activities were identified to have a likely high impact on multisectoral collaboration. The timeline for implementing the activities is projected to span one to two years., Conclusion: The workshop promoted high-level engagement, national ownership, and leadership in addressing health threats at the human-animal-environment interface. The resulting co-created roadmap will be integrated into the National Action Plan for Health Security, supporting ongoing One Health efforts in Somalia., Competing Interests: The authors declare the following financial interests/personal relationships which may be considered as potential competing interests. AHA is the Minister of Health of Somalia; HHM is the Minister of Livestock, Forestry and Range of Somalia; KM is the Minister of Environment and Climate Change of Somalia; GAA is the Director General of the Ministry of Health of Somalia; MON is the Director General of the Ministry of Livestock, Forestry and Range of Somalia; AYO is the Chair of the One Health National Level Technical Working Group (OHNLTWG) of Somalia. SMM is on the editorial board for the journal, One Health., (© 2024 The Authors.)
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- 2024
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19. Seroprevalence of Brucellosis, Knowledge, and Risky Practices in Dairy Cattle Owners and Workers in Maekel and Debub Regions, Eritrea.
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Efrem GH, Mihreteab B, Ghebremariam MK, Tesfai B, Mor SM, and Mamo G
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- Humans, Seroepidemiologic Studies, Animals, Eritrea epidemiology, Cattle, Adult, Female, Male, Cross-Sectional Studies, Middle Aged, Zoonoses epidemiology, Young Adult, Surveys and Questionnaires, Brucellosis, Bovine epidemiology, Health Knowledge, Attitudes, Practice, Brucellosis epidemiology, Farmers statistics & numerical data, Dairying
- Abstract
Brucellosis is a zoonotic disease with worldwide distribution. In Eritrea, the status of the disease in occupationally exposed dairy farmers is unknown. The objective of this study was to determine the seroprevalence of brucellosis, level of knowledge, and risky practices of dairy cattle owners/workers in Maekel and Debub regions, Eritrea. A cross-sectional study was conducted between August 2021 and February 2022. A total of 416 dairy cattle owners and workers underwent blood collection and interview using a standardized questionnaire. Blood samples were tested using Rose Bengal Plate Test, and positive samples were confirmed using competitive ELISA. Variation in knowledge scores by sociodemographic factors and practices were explored statistically. The apparent and true seroprevalence was 1.2% (95% CI: 0.05-2.8%) and 1.4% (95% CI: 0.6-3.4%), respectively. Apparent seroprevalence was similar in Maekel (1.1%) and Debub (1.2%) regions. Nearly half of the participants (49.5%) had never heard of brucellosis before. Overall, brucellosis knowledge score was low (mean score: 6.53/20). Knowledge score was higher in participants from Maekel region (P <0.001), older participants (P = 0.035), those with higher educational attainment (P = 0.001), and those with more years of experience working in dairy farming (P = 0.001). Knowledge score was lower in farm workers compared with family members (P = 0.016). No significant differences in knowledge score existed between participants who engaged in or did not engage in potential risky practices. In summary, the prevalence of brucellosis in dairy cattle owners/workers in Maekel and Debub regions, Eritrea, was low. Participants demonstrated limited knowledge of brucellosis and engaged in risky practices.
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- 2024
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20. Knowledge, perceptions, and exposure to bats in communities living around bat roosts in Bundibugyo district, Uganda: implications for viral haemorrhagic fever prevention and control.
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Ninsiima LR, Nyakarahuka L, Kisaka S, Atuheire CG, Mugisha L, Odoch T, Romano JS, Klein J, Mor SM, and Kankya C
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- Animals, Humans, Male, Female, Cross-Sectional Studies, Uganda epidemiology, Surveys and Questionnaires, Chiroptera, Hemorrhagic Fevers, Viral
- Abstract
Background: Bats are a reservoir for many viruses causing haemorrhagic fevers. Proximity to bats is a risk factor for virus spillover to animals and humans. We conducted this study to assess knowledge, perceptions, and exposure to bats in communities living near bat roosts in Bundibugyo District, Uganda., Methods: A cross-sectional study using mixed methods with both quantitative and qualitative data was conducted between September and December 2022. Participants for the quantitative data (survey) (n = 384) resided near bat caves and/or roost sites and were selected using multistage random sampling. The survey investigated participants' prior exposure to bats, as well as knowledge and perceptions of bat exposure. Logistic regression was used to determine factors associated with bat exposure. Participants for the qualitative data (focus group discussions) (n = 10, 6-8 participants each) were purposely selected based on engagement in guano mining, hunting, and farming activities. Perceived risk associated with bat-related activities were identified and ranked in the focus group discussions using participatory epidemiology tools., Results: In total, (214/384, 55.7%) had a history of bat exposure and (208/384, 54.2%) had poor knowledge of risk factors associated with bat exposure. Increased exposure to bats was associated with being male (OR = 1.6; 95% CI: 1.0, 2.4 p-value = 0.038), staying in urban areas (OR = 1.9; p-value = 0.010), hunting (OR = 10.9; p-value = 0.024), and positive perception to bat guano being safe as fertiliser (OR = 2.5; p-value = 0.045). During the proportional piling process, a total of 7 risk factors were identified by 10 groups with hunting during an outbreak and consumption of bats being the most frequently identified. Overall, there was a strong statistical agreement in the ranking across the 10 focus groups (W = 0.52; p < 0.01; n = 10). Based on the provided data, the adjusted odds ratio of 0.7 for the good measures (p-value = 0.112), suggests a potential protective effect on the risk of bat exposure., Conclusion: Communities living around bat roosts frequently come into contact with bats, yet there is inadequate awareness regarding the behaviors that can lead to the transmission of bat- borne diseases to humans. It is essential to undertake educational initiatives and preventive measures to minimise the risks of bat-related infections. The need for targeted health communication and education efforts to address these knowledge gaps and promote an accurate understanding of bats and disease transmission. Understanding of diseases associated with bats will minimize bat-related health risks especially in communities engaged in wildlife hunting., (© 2024. The Author(s).)
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- 2024
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21. Prioritization of zoonoses for multisectoral, One Health collaboration in Somalia, 2023.
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Osman AY, Mohamed H, Mumin FI, Mahrous H, Saidouni A, Elmi SA, Adawe AK, Mo'allim AA, Lubogo M, Malik SMMR, Mwatondo A, Raji T, Ahmed AD, Zumla A, Dar O, Kock R, and Mor SM
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Background: The human population of Somalia is vulnerable to zoonoses due to a high reliance on animal husbandry. This disease risk is exacerbated by relatively low income (poverty) and weak state capacity for health service delivery in the country as well as climate extremes and geopolitical instability in the region. To address this threat to public health efficiently and effectively, it is essential that all sectors have a common understanding of the priority zoonotic diseases of greatest concern to the country., Methods: Representatives from human, animal (domestic and wildlife), agriculture, and environmental health sectors undertook a multisectoral prioritization exercise using the One Health Zoonotic Disease Prioritization (OHZDP) tool developed by the United States CDC. The process involved: reviewing available literature and creating a longlist of zoonotic diseases for potential inclusion; developing and weighting criteria for establishing the importance of each zoonoses; formulating categorical questions (indicators) for each criteria; scoring each disease according to the criteria; and finally ranking the diseases based on the final score. Participants then brainstormed and suggested strategic action plans to prevent, and control prioritized zoonotic diseases., Results: Thirty-three zoonoses were initially considered for prioritization. Final criteria for ranking included: 1) socioeconomic impact (including sensitivity) in Somalia; 2) burden of disease in humans in Somalia); 3) availability of intervention in Somalia; 4) environmental factors/determinants; and 5) burden of disease in animals in Somalia. Following scoring of each zoonotic disease against these criteria, and further discussion of the OHZDP tool outputs, seven priority zoonoses were identified for Somalia: Rift Valley fever, Middle East respiratory syndrome, anthrax, trypanosomiasis, brucellosis, zoonotic enteric parasites (including Giardia and Cryptosporidium ), and zoonotic influenza viruses., Conclusions: The final list of seven priority zoonotic diseases will serve as a foundation for strengthening One Health approaches for disease prevention and control in Somalia. It will be used to: shape improved multisectoral linkages for integrated surveillance systems and laboratory networks for improved human, animal, and environmental health; establish multisectoral public health emergency preparedness and response plans using One Health approaches; and enhance workforce capacity to prevent, control and respond to priority zoonotic diseases., Competing Interests: The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: SMM is on the editorial board for the journal, One Health., (© 2023 The Authors.)
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- 2023
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22. Zoonoses research in Somalia: A scoping review using a One Health approach.
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Mumin FI, Fenton A, Osman AY, and Mor SM
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Zoonoses are likely to cause a substantial burden on both human and animal health systems in Somalia, given the close proximity between the pastoralist majority and their livestock. However, decades of instability leading to weak disease surveillance have meant that data on the burden of zoonoses is lacking. The aim of this scoping review was to assess and synthesize the available literature on the presence and burden of zoonoses in Somalia. We used keywords to search Web of Science for relevant publications. Studies were included if they contained relevant data on a zoonosis and were undertaken in Somalia or were undertaken in another country where exposure could reasonably be assumed to have occurred in Somalia (e.g., migrants/refugees, returning soldiers, exported animals). Studies were not included if they focused on Somali ethnic communities permanently living elsewhere or if zoonotic aspects were not considered. We extracted data on disease(s) reported, geographic focus, data reported (human, animal, environment), study design and author affiliation. A total of 22 zoonotic infections were documented in 76 publications. The most frequently studied diseases were Rift Valley Fever ( n = 15, 17%), brucellosis ( n = 13, 14%) and hepatitis E ( n = 10, 11%). Around 30% of papers reported data from relevant populations outside Somalia. Only 18 papers undertook laboratory analysis within Somalia. Most papers reported data on humans (45%) and animals (36%) with limited research on the environmental domain. Descriptive studies (47%) dominated and most were led by non-Somali researchers (89% in first authors and 95% of last authors). This study highlights the need for well-designed zoonoses research in Somalia supported by capacity building of local researchers and investments in diagnostic laboratories., Competing Interests: The authors declare no personal or financial conflict of interest., (© 2023 The Authors.)
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- 2023
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23. Prevalence of brucellosis and associated risk factors in dairy cattle in Maekel and Debub Regions, Eritrea.
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Efrem GH, Mihreteab B, Ghebremariam MK, Okbamichael T, Ghebresilasie Y, Mor SM, and Mamo G
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Introduction: Brucellosis is a zoonotic disease with worldwide distribution. It is considered endemic in Eritrea, however, the current prevalence status and related risk factors in animals are unknown. The objective of this study was to determine the prevalence of and risk factors for brucellosis in dairy cattle in Maekel and Debub regions, Eritrea., Methods: A cross sectional study was conducted between August 2021 and February 2022. A total of 2,740 dairy cattle from 214 herds in 10 sub-regions of Eritrea were selected for blood and data collection. Blood samples were tested using Rose Bengal Plate Test (RBPT) and positive samples were confirmed using competitive (c-ELISA). Data on risk factors was collected using questionnaire and analyzed using logistic regression., Results: In total, 34/2740 animals tested positive by RBPT. Of these, 29 were confirmed positive by c-ELISA, giving an apparent and estimated true individual-level prevalence of 1.1% (95% CI: 0.7, 1.5%) and 1.3% (95% CI: 0.9, 1.8%), respectively. Sixteen herds (7.5%) tested positive by RBPT and of these 15 herds (7.0%) were confirmed positive by c-ELISA, giving an estimated true herd-level prevalence of 7.0% (95% CI: 4.0, 10.7). Animal and herd-level apparent prevalence was 1.6 and 9.2% in Maekel, while in Debub it was 0.6 and 5.5%, respectively. Multivariable regression analysis indicated that non-pregnant lactating cows (adjusted odds ratio [aOR] = 3.35; p = 0.042) were more likely to be Brucella sero-positive. History of abortion on the farm (aOR = 5.71; p = 0.026) and larger number of cows in the herd (aOR = 1.14; p < 0.001) were associated with brucellosis sero-positivity in herds., Conclusion: Brucellosis prevalence was low in the study areas. Nonetheless, this low prevalence may increase if the disease is not controlled. Therefore, testing animals before movement, good farming practices, sanitary measures, and an awareness raising program on brucellosis are recommended., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Efrem, Mihreteab, Ghebremariam, Okbamichael, Ghebresilasie, Mor and Mamo.)
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- 2023
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24. Giardia duodenalis in Ugandan Children Aged 9-36 Months in Kampala, Uganda: Prevalence and Associated Factors.
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Ndeezi G, Mor SM, Ascolillo LR, Tasimwa HB, Nakato R, Kayondo LN, Tzipori S, Mukunya D, Griffiths JK, and Tumwine JK
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- Animals, Uganda epidemiology, Prevalence, Cough, Feces, Diarrhea epidemiology, Giardia lamblia genetics, Cryptosporidiosis epidemiology, Cryptosporidiosis diagnosis, Cryptosporidium genetics, Giardiasis epidemiology, Giardiasis diagnosis
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Giardia duodenalis is a common gastrointestinal pathogen globally that has been associated with growth failure in children. Most of the studies have been done in school-age children, and there is a paucity of data in pre-school children. We determined the prevalence and factors associated with G. duodenalis infection in children aged 9-36 months presenting to Mulago Hospital with diarrhea or cough. Demographic and socio-economic characteristics, animal ownership, medical history, and physical examination findings were recorded. Stool was tested for G. duodenalis using real-time quantitative polymerase chain reaction (qPCR), and additional tests included stool microscopy and qPCR for Cryptosporidium. The overall prevalence of G. duodenalis infection was 6.7% (214/3,173). In children with diarrhea the prevalence was 6.9% (133/1,923), whereas it was 6.5% (81/1,250) in those with cough as the main symptom. Of 214 children with G. duodenalis infection, 19 (8.9%) were co-infected with Cryptosporidium. Older children (25-36 months) were more likely to have G. duodenalis infection (adjusted odds ratio [aOR]: 2.93, 95% CI: 1.93-4.43). Use of an unimproved toilet (aOR: 1.38, 95% CI: 1.04-1.83) and the wet season (aOR: 1.33, 95% CI: 1.00-1.77) were associated with increased infection. Other factors associated with infection were recurrent diarrhea (aOR: 2.46, 95% CI: 1.64-3.70) and passing of mucoid stool (aOR: 2.25, 95% CI: 1.08-4.66). Having a ruminant at the homestead was also associated with infection (aOR: 1.83, 95% CI: 1.20-2.79). Giardia duodenalis infection occurred in 1 of 15 children aged 9-36 months with diarrhea or cough in Kampala, Uganda. Further studies are needed to clarify the zoonotic significance of G. duodenalis infection in this setting.
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- 2023
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25. Clinical investigation and management of Brucella suis seropositive dogs: A longitudinal case series.
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Kneipp CC, Deutscher AT, Coilparampil R, Rose AM, Robson J, Malik R, Stevenson MA, Wiethoelter AK, and Mor SM
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- Animals, Longitudinal Studies, Zoonoses, Anti-Bacterial Agents therapeutic use, Dogs, Brucella suis genetics, Brucellosis diagnosis, Brucellosis drug therapy, Brucellosis veterinary
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Background: Brucellosis in dogs caused by Brucella suis is an emerging zoonotic disease., Objectives: To document clinical characteristics, serology, microbiology, and clinical response to treatment in B. suis-seropositive dogs., Animals: Longitudinal study of 27 privately-owned dogs. Dogs that tested positive by serology, culture, or real-time polymerase chain reaction (qPCR) were included in the study., Methods: Clinical (physical examination and imaging) and laboratory (serology, hematology, serum biochemistry, and qPCR or culture) assessments were made at baseline and after approximately 3, 6, 12, and 18 months., Results: Dogs were followed for 10 895 dog days, with 17/27 dogs completing the 18-month follow-up. Ten dogs had signs consistent with brucellosis before enrollment (n = 4), at baseline (n = 2) or during follow-up (n = 6), with 2 dogs experiencing relapse of historical signs. Antibody titers persisted for the duration of follow-up in 15/17 dogs (88%). Radiographic (n = 5) and ultrasound (n = 11) findings, of variable clinical relevance, were observed. Brucella DNA and organisms were detected in 3 dogs, all of which had clinical signs, including in the milk of a bitch around the time of whelping. Brucella DNA was not detected in blood (n = 92 samples), urine (n = 80), saliva (n = 95) or preputial swabs (n = 78) at any time during follow-up. Six dogs underwent treatment, all of which achieved clinical remission although remission was not reflected by decreasing antibody titers., Conclusions and Clinical Importance: Most dogs with B. suis infections have subclinical infections. Serology is poorly associated with clinical disease. Excretion of organisms appears rare except in whelping bitches. Clinical management using antibiotics with or without surgery is recommended., (© 2023 The Authors. Journal of Veterinary Internal Medicine published by Wiley Periodicals LLC on behalf of American College of Veterinary Internal Medicine.)
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- 2023
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26. Prevalence of Human and Animal Fasciolosis in Butajira and Gilgel Gibe Health Demographic Surveillance System Sites in Ethiopia.
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Abaya SW, Mereta ST, Tulu FD, Mekonnen Z, Ayana M, Girma M, Vineer HR, Mor SM, Caminade C, and Graham-Brown J
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Fasciolosis is regarded as a major challenge to livestock productivity worldwide, but the burden of disease in humans has only started to receive some attention in the past three decades. The aim of this study was to determine the prevalence of human and animal fasciolosis and its determinant factors in the Gilgel Gibe and Butajira Health and Demographic Surveillance System (HDSS) sites in Ethiopia. A study was undertaken among 389 households across the two sites. Face-to-face interviews were conducted to investigate the knowledge, attitudes and practices of households with regard to fasciolosis. Stools from 377 children aged 7-15 years, and 775 animals (cattle, goats and sheep) were analyzed using a proprietary Fasciola hepatica ( F. hepatica ) coproantigen ELISA kit. The prevalence of fasciolosis in children was 0.5% and 1% in Butajira and Gilgel Gibe HDSS sites, respectively. The overall prevalence of animal fasciolosis was 29%, 29.2%, and 6% among cattle, sheep, and goats, respectively. More than half of the respondents from Gilgel Gibe (59%, n = 115) did not know that humans can be infected with F. hepatica . The majority of respondents in Gilgel Gibe (n = 124, 64%) and Butajira (n = 95, 50%) did not know the transmission route for fasciolosis. Grazing animals were 7 times more likely to be infected with fasciolosis than animals in cut-and-carry production systems (adjusted odds ratio [AOR] = 7.2; 95% confidence interval [CI]: 3.91-13.17). The findings indicated a lack of knowledge amongst local populations about fasciolosis. Thus, there is a need for public health awareness campaigns about fasciolosis in the study areas.
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- 2023
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27. Effects of Land-Use and Environmental Factors on Snail Distribution and Trematode Infection in Ethiopia.
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Mereta ST, Abaya SW, Tulu FD, Takele K, Ahmednur M, Melka GA, Nanyingi M, Vineer HR, Graham-Brown J, Caminade C, and Mor SM
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Freshwater snails are intermediate hosts for several snail-borne diseases affecting humans and animals. Understanding the distribution of snail intermediate hosts and their infection status is very important to plan and implement effective disease prevention and control interventions. In this study, we determined the abundance, distribution, and trematode infection status of freshwater snails in two agro-ecological zones of Ethiopia. We sampled snails from 13 observation sites and examined them for trematode infections using a natural cercarial shedding method. A redundancy analysis (RDA) was used to examine the relationship between snail abundance and environmental variables. Overall, a total of 615 snails belonging to three species were identified. Lymnea natalensis and Bulinus globosus were the dominant snail species, representing 41% and 40% of the total collection, respectively. About one-third of the total snail population (33%) shed cercariae. The cercariae species recorded were Xiphidiocercaria , Brevifurcate apharyngeate distome ( BAD ), Echinostome, and Fasciola . Snail species were found in high abundance in aquatic habitats located in the agricultural landscape. Therefore, land-use planning and protection of aquatic habitats from uncontrolled human activities and pollution can be considered as important strategies to prevent and control the spread of snail-borne diseases in the region.
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- 2023
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28. COVID-19 and its prevention in internally displaced person (IDP) camps in Somalia: impact on livelihood, food security and mental health.
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Mumin FI, Wesonga FD, Handuleh JIM, White RG, and Mor SM
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- Humans, Mental Health, Somalia epidemiology, Soaps, Food Security, Refugees, COVID-19 epidemiology, COVID-19 prevention & control
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Background: Somalia has over 2.6 million internally displaced people (IDP) that depend on daily wages and humanitarian assistance for their livelihoods. This study investigated the impact of COVID-19 on livelihoods, food security and mental health of Somalia's IDPs., Methods: A questionnaire was conducted with "breadwinners" (n = 585) residing in 15 randomly selected IDP camps. Mental health was assessed using the 5-item World Health Organization Wellbeing Index (WHO-5) and the Patient Health Questionnaire-9 (PHQ-9). Multivariable regression was used to explore the effect of depressive symptoms on soap use and ability to pay for food/medicine/rent., Results: Knowledge of COVID-19 symptoms, transmission and prevention was relatively high, however only 55% reported using soap for hand washing. Around one third perceived that prohibition of public gatherings had negatively impacted weekly earnings. Participants reported difficulty buying food (85%), medicine (82%) and paying rent (51%) because of COVID-19. The majority were assessed as having low wellbeing and high depressive symptoms (mean WHO-5 = 44.2/100; mean PHQ-9 = 18.6/27), with most (74%) indicating that they felt worse than before the pandemic. Compared to people with low depressive symptoms, people with high depressive symptoms were less likely to use soap (aOR = 0.3, 95% CI = 0.2, 0.7; P < 0.001) and more likely to report difficulty buying food (aOR = 2.2; 95% CI = 1.1, 4.3; P = 0.02)., Conclusion: COVID-19 and associated restrictions have negatively impacted Somalia's internally displaced population. Livelihood and mental health support is urgently needed in the recovery phase of the pandemic and should be factored into future pandemic planning., (© 2022. The Author(s).)
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- 2022
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29. A vision of a One Health system for Australia: on the need to rethink our health system.
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Steele SG, Toribio JL, and Mor SM
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- Animals, Humans, Australia, Zoonoses, Government Programs, Public Health, One Health
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- 2022
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30. [Atrial fibrillation in three cardiological reference centers in Dakar: Senegal data from the AFRICA register survey].
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Diop KR, Samb CAB, Kane A, Mingou JS, Beye SM, Diouf Y, Sarr SA, Aw F, Ndiaye PG, Diop CABM, Bodian M, Ndiaye MB, Diao M, Adoubi AK, and Kane A
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- Humans, Female, Adolescent, Middle Aged, Male, Senegal epidemiology, Cross-Sectional Studies, Heparin, Low-Molecular-Weight, Retrospective Studies, Atrial Fibrillation epidemiology, Cardiology, Heart Failure
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Introduction: atrial fibrillation (AF) is the most common cardiac rhythm disorder. Its prevalence is underestimated in Africa, hence the initiation of the Atrial Fibrillation Registry In Countries of Africa (AFRICA). The aim of our study was to describe, within the framework of the AFRICA registry, the epidemiological, clinical, paraclinical, therapeutic and evolutionary aspects of atrial fibrillation (AF) in Africa, particularly in Senegal., Methods: we performed a cross-sectional, retrospective, multicentric study conducted from January 1
st to December 31st 2017, in three referral cardiology wards in Senegal., Results: one hundred and sixty-eight patients, with a mean age of 63 years, were selected, representing a hospital prevalence of 5.99%. There was a predominance of women with sex-ratio of 0.69. High blood pressure was the most frequent risk factor (24.4%). Heart failure was the most frequent circumstance of discovery (59.52%). AF was persistent in 52.24% and valvular AF accounted for 31% and was more frequent in young people (p= 0.005). Left ventricular systolic function was impaired in 55.7%, the left atrium was dilated in 70.83%. The strategy to reduce heart rate was the most used. Patients with CHA2DS2VASC ≥ 2 received anticoagulation with LMWH and oral relay maid mostly of VKA. The complications were dominated by heart failure (66.6%) and ischemic stroke cerebral (28%)., Conclusion: atrial fibrillation (AF) is the most frequent cardiac rhythm disorder. It is a major public health concern., Competing Interests: Les auteurs ne déclarent aucun conflit d´intérêts., (Copyright: Khadimu Rassoul Diop et al.)- Published
- 2022
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31. Rabies research in Ethiopia: A systematic review.
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Gelgie AE, Cavalerie L, Kaba M, Asrat D, and Mor SM
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Rabies is an important zoonosis in Ethiopia, where lack of research is cited as a constraint to implementation of the national rabies control strategy. We conducted a systematic review of publications and theses on rabies in Ethiopia, to document research gaps and areas of knowledge saturation in relation to geographic and species focus, methods and findings. We also examined funding sources and extent of local researcher participation. After screening titles and abstracts, the full text of 119 publications was included in data extraction. More than 40% of publications involved data collection in one region (Oromia); no publications reported findings from Benishangul-Gumuz, Dire Dawa or Gambella. Dogs and wildlife (especially Canis simensis ) were the focus of research in 45% and 24% publications, respectively. Descriptive epidemiology ( N = 39 publications), ethno-medicine/-pharmacology ( N = 17) and knowledge, attitude, and practice surveys (KAP, N = 15) were amongst the most common study designs, while studies involving economic methods ( N = 3) and experimental epidemiology to test interventions ( N = 3) were under-represented. Incidence surveys ( N = 9) commonly used post-exposure prophylaxis administration in humans as a proxy for exposure without laboratory confirmation of the rabies status of the animal. KAP surveys tended to highlight reasonable levels of knowledge of rabies and poor practices, including overreliance on medicinal plants. International researchers were the first or last (senior) author on 42% and 58% of publications, respectively, most of which were funded by international organizations (45/72 publications reporting funding source). Based on this systematic review, we suggest more applied research is needed to address gaps in laboratory surveillance (including in humans, domestic and wild animals); identify effective ways to overcome socio-cultural and other barriers to accessing effective rabies treatments; inform best approaches to incentivizing mass dog vaccination programs; and generate local estimates of the cost-benefit and cost-effectiveness of different control strategies to improve financing and political buy-in for rabies control in Ethiopia., Competing Interests: None., (© 2022 The Authors.)
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- 2022
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32. First PCR Confirmed anthrax outbreaks in Ethiopia-Amhara region, 2018-2019.
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Ashenefe Wassie B, Fantaw S, Mekonene Y, Teshale AM, Yitagesu Y, Tsige E, Getahun D, Tasew G, Abichu G, Moges B, Abate E, Abayneh T, Zeru T, Belay Z, and Mor SM
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- Adolescent, Adult, Aged, Animals, Anthrax diagnosis, Anthrax epidemiology, Bacillus anthracis classification, Bacillus anthracis isolation & purification, Cats microbiology, Cattle microbiology, Child, Disease Outbreaks, Dogs microbiology, Ethiopia epidemiology, Female, Goats microbiology, Humans, Livestock microbiology, Male, Meat microbiology, Middle Aged, Polymerase Chain Reaction, Young Adult, Anthrax microbiology, Anthrax veterinary, Bacillus anthracis genetics
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Background: Anthrax is a disease that affects humans and animals. In Ethiopia, anthrax is a reportable disease and assumed to be endemic, although laboratory confirmation has not been routinely performed until recently. We describe the findings from the investigation of two outbreaks in Amhara region., Methods: Following reports of suspected outbreaks in Wag Hamra zone (Outbreak 1) and South Gondar zone (Outbreak 2), multi-sectoral teams involving both animal and public health officials were deployed to investigate and establish control programs. A suspect case was defined as: sudden death with rapid bloating or bleeding from orifice(s) with unclotted blood (animals); and signs compatible with cutaneous, ingestion, or inhalation anthrax ≤7 days after exposure to a suspect animal (humans). Suspect human cases were interviewed using a standard questionnaire. Samples were collected from humans with suspected anthrax (Outbreak 1 and Outbreak 2) as well as dried meat of suspect animal cases (Outbreak 2). A case was confirmed if a positive test was returned using real-time polymerase chain reaction (qPCR)., Results: In Outbreak 1, a total of 49 cows died due to suspected anthrax and 22 humans developed symptoms consistent with cutaneous anthrax (40% attack rate), two of whom died due to suspected ingestion anthrax. Three people were confirmed to have anthrax by qPCR. In Outbreak 2, anthrax was suspected to have caused the deaths of two livestock animals and one human. Subsequent investigation revealed 18 suspected cases of cutaneous anthrax in humans (27% attack rate). None of the 12 human samples collected tested positive, however, a swab taken from the dried meat of one animal case (goat) was positive by qPCR., Conclusion: We report the first qPCR-confirmed outbreaks of anthrax in Ethiopia. Both outbreaks were controlled through active case finding, carcass management, ring vaccination of livestock, training of health professionals and outreach with livestock owners. Human and animal health authorities should work together using a One Health approach to improve case reporting and vaccine coverage., Competing Interests: The authors have declared that no competing interests exist.
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- 2022
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33. Brucella suis Seroprevalence and Associated Risk Factors in Dogs in Eastern Australia, 2016 to 2019.
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Kneipp CC, Sawford K, Wingett K, Malik R, Stevenson MA, Mor SM, and Wiethoelter AK
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Brucella suis is a zoonotic disease of feral pigs that also affects pig hunting dogs, pig hunters, veterinarians and veterinary staff. In recent years the incidence of B. suis in the eastern Australian states of New South Wales (NSW) and Queensland (QLD) has increased. A cross-sectional study was conducted to document the seroprevalence, geographical extent and risk factors for B. suis in dogs at-risk of contracting the disease. Eligible dogs were those that were known to hunt or consume feral pig meat. Dogs were enrolled through private veterinary clinics and/or directly by District Veterinarians in six regions of NSW and QLD. Blood was collected by venepuncture and tested for B. suis antibodies using the Rose Bengal Test (RBT) followed by a Complement Fixation Test (CFT) if they returned a positive RBT. Owners were invited to complete a questionnaire on the dogs' signalment, husbandry including hunting practices and locations, and any clinical signs referable to brucellosis. Of the 317 dogs included in the prevalence survey, 21 were seropositive returning a survey-adjusted true seroprevalence of 9.3 (95% CI 0.45 to 18) B. suis positive dogs per 100 dogs at-risk. True seroprevalence ranged from 0 to 24 B. suis positive dogs per 100 across eastern Australia, with the highest prevalence in central west NSW and southern QLD. Adjusted for other factors, dogs that shared a household with other seropositive dogs and those that traveled away from their home regions to hunt were more likely to be seropositive. Clinical signs at presentation were not predictive of serostatus, with seropositive and seronegative dogs equally likely to present with signs consistent with brucellosis. The results obtained from this study show that B. suis exposure is relatively common in dogs that have contact with feral pigs, with one in 10 testing seropositive. Further studies are needed to understand the progression and risk of transmission from seropositive dogs., Competing Interests: KS owns the company Kate Sawford Epidemiological Consulting Pty Ltd. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Kneipp, Sawford, Wingett, Malik, Stevenson, Mor and Wiethoelter.)
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- 2021
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34. Global health security must embrace a One Health approach: Contributions and experiences of veterinarians during the COVID-19 response in Australia.
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Steele SG, Toribio JLML, and Mor SM
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SARS-CoV-2, a betacoronavirus of likely zoonotic origin, was first reported in December 2019. Its rapid worldwide spread precipitated a range of interventions, including by veterinarians, due to impacts on human health and well-being as well as animal health and welfare. We conducted 36 key informant interviews to explore the responses of Australian veterinarians, their engagement in One Health collaboration and cooperation, and their existing and developed insights to the COVID-19 pandemic. Responses were analysed using thematic analysis. Australian veterinarians provided valuable contributions to the national COVID-19 response by protecting animal welfare, maintaining local food security, providing essential veterinary services while mitigating human health risks in clinical settings and providing both key skills and surge capacity to the human health response. This was all guided by skills in scientific literacy and evidence-based communication. Informants identified a clear and urgent need for greater One Health coordination during pandemic prevention, preparedness, and response, even in the case of a disease which largely only affects humans., Competing Interests: The authors declare they have no conflict of interest in relation to this paper., (© 2021 Published by Elsevier B.V.)
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- 2021
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35. 'It's our job': Constraints to investigation of atypical disease events-Opinions of Australian veterinarians.
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Steele SG, Mor SM, and Toribio JLML
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- Animal Diseases diagnosis, Animal Diseases prevention & control, Animal Diseases transmission, Animals, Australia epidemiology, Communicable Diseases, Emerging diagnosis, Communicable Diseases, Emerging prevention & control, Data Collection, Health Knowledge, Attitudes, Practice, Humans, Zoonoses transmission, Communicable Diseases, Emerging veterinary, Veterinarians, Zoonoses diagnosis, Zoonoses prevention & control
- Abstract
Frontline health practitioners need to be adequately prepared to recognize and respond to atypical disease presentations, some of which may have zoonotic potential. Data from previous research have suggested that veterinarians may face challenges in investigation of disease events due to time and money constraints. As part of an Australia-wide survey project, veterinarians were asked to answer an open-ended question regarding potential constraints in investigation of atypical disease events where there may be concern about a zoonosis or emerging infectious disease. Qualitative data were analysed using thematic content analysis with the consideration of the respondent's area of practice and level of experience. Five main themes were identified which encapsulated constraints to disease investigation described by participants, namely: (a) financing of disease investigations, including client willingness/ability to pay in absence of alternative government schemes; (b) client-related factors, including willingness to consent to investigation and comply with instructions; (c) professional preparedness to act, related to practitioner knowledge and technical competency; (d) workplace environment, impacted by physical, logistical and managerial aspects of workplaces; and (e) access to external technical support, primarily from government veterinary services. Successful investigation and management of atypical diseases, including potential zoonoses, requires preparedness of all veterinarians. Continuing professional education for veterinarians in infection prevention and control and biosecurity, alongside adequate government funding and support will help facilitate optimal health and biosecurity outcomes. Both state and federal governments need to review existing animal health structures to ensure cohesive responses for future disease events., (© 2021 The Authors. Zoonoses and Public Health published by Wiley-VCH GmbH.)
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- 2021
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36. One hundred years of zoonoses research in the Horn of Africa: A scoping review.
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Cavalerie L, Wardeh M, Lebrasseur O, Nanyingi M, McIntyre KM, Kaba M, Asrat D, Christley R, Pinchbeck G, Baylis M, and Mor SM
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- Africa South of the Sahara epidemiology, Animals, History, 20th Century, History, 21st Century, Humans, Research history, Zoonoses epidemiology
- Abstract
Background: One Health is particularly relevant to the Horn of Africa where many people's livelihoods are highly dependent on livestock and their shared environment. In this context, zoonoses may have a dramatic impact on both human and animal health, but also on country economies. This scoping review aimed to characterise and evaluate the nature of zoonotic disease research in the Horn region. Specifically, it addressed the following questions: (i) what specific zoonotic diseases have been prioritised for research, (ii) what data have been reported (human, animal or environment), (iii) what methods have been applied, and (iv) who has been doing the research?, Methodology/principal Findings: We used keyword combinations to search online databases for peer-reviewed papers and theses. Screening and data extraction (disease, country, domain and method) was performed using DistillerSR. A total of 2055 studies focusing on seven countries and over 60 zoonoses were included. Brucellosis attracted the highest attention in terms of research while anthrax, Q fever and leptospirosis have been comparatively under-studied. Research efforts did not always align with zoonoses priorities identified at national levels. Despite zoonoses being a clear target for 'One Health' research, a very limited proportion of studies report data on the three domains of human, animal and environment. Descriptive and observational epidemiological studies were dominant and only a low proportion of publications were multidisciplinary. Finally, we found that a minority of international collaborations were between Global South countries with a high proportion of authors having affiliations from outside the Horn of Africa., Conclusions/significance: There is a growing interest in zoonoses research in the Horn of Africa. Recommendations arising from this scoping review include: (i) ensuring zoonoses research aligns with national and global research agendas; (ii) encouraging researchers to adopt a holistic, transdisciplinary One Health approach following high quality reporting standards (COHERE, PRISMA, etc.); and (iii) empowering local researchers supported by regional and international partnerships to engage in zoonoses research., Competing Interests: The authors have declared that no competing interests exist.
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- 2021
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37. Investigation of Ebolavirus exposure in pigs presented for slaughter in Uganda.
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Atherstone C, Diederich S, Pickering B, Smith G, Casey G, Fischer K, Ward MP, Ndoboli D, Weingartl H, Alonso S, Dhand N, Roesel K, Grace D, and Mor SM
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- Abattoirs, Animals, Female, Hemorrhagic Fever, Ebola epidemiology, Hemorrhagic Fever, Ebola virology, Male, Prevalence, Risk Factors, Seroepidemiologic Studies, Spatio-Temporal Analysis, Sus scrofa, Swine, Swine Diseases virology, Uganda epidemiology, Ebolavirus isolation & purification, Hemorrhagic Fever, Ebola veterinary, Swine Diseases epidemiology
- Abstract
In 2008, an outbreak of Reston ebolavirus (RESTV) in pigs in the Philippines expanded our understanding of the host range of ebolaviruses. Subsequent experimental infections with the human-pathogenic species Zaire ebolavirus (EBOV) confirmed that pigs are susceptible to African species of ebolaviruses. Pig keeping has become an increasingly important livelihood strategy throughout parts of sub-Saharan Africa, driven by increasing demand for pork. The growth in pig keeping is particularly rapid in Uganda, which has the highest per capita pork consumption in East Africa and a history of sporadic human outbreaks of Ebola virus disease (EVD). Using a systematic sampling protocol, we collected sera from 658 pigs presented for slaughter in Uganda between December 2015 and October 2016. Forty-six pigs (7%) were seropositive based on ELISA tests at two different institutions. Seropositive pigs had antibodies that bound to Sudan NP (n = 27), Zaire NP (Kikwit; n = 8) or both NPs (n = 11). Sera from 4 of the ELISA-positive pigs reacted in Western blot (EBOV NP = 1; RESTV NP = 2; both NPs = 2), and one sample had full neutralizing antibody against Sudan ebolavirus (SUDV) in virus neutralization tests. Pigs sampled in June 2016 were significantly more likely to be seropositive than pigs sampled in October 2016 (p = .03). Seropositive pigs were sourced from all regions except Western region. These observed temporal and spatial variations are suggestive of multiple introductions of ebolaviruses into the pig population in Uganda. This is the first report of exposure of pigs in Uganda to ebolaviruses and the first to employ systematic abattoir sampling for ebolavirus surveillance during a non-outbreak period. Future studies will be necessary to further define the role pigs play (if any) in ebolavirus maintenance and transmission so that potential risks can be mitigated., (© 2020 The Authors. Transboundary and Emerging Diseases published by Wiley-VCH GmbH.)
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- 2021
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38. A One Health Approach to Child Stunting: Evidence and Research Agenda.
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Gharpure R, Mor SM, Viney M, Hodobo T, Lello J, Siwila J, Dube K, Robertson RC, Mutasa K, Berger CN, Hirai M, Brown T, Ntozini R, Evans C, Hoto P, Smith LE, Tavengwa NV, Joyeux M, Humphrey JH, Berendes D, and Prendergast AJ
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- Animal Welfare organization & administration, Animals, Child, Preschool, Communicable Diseases economics, Communicable Diseases epidemiology, Developing Countries economics, Environmental Health organization & administration, Growth Disorders epidemiology, Humans, Hygiene, Income, Infant, Livestock microbiology, Livestock parasitology, Livestock virology, Malnutrition epidemiology, Poverty economics, Poverty prevention & control, Wasting Syndrome epidemiology, Communicable Disease Control methods, Growth Disorders prevention & control, Malnutrition prevention & control, One Health trends, Wasting Syndrome prevention & control
- Abstract
Stunting (low height for age) affects approximately one-quarter of children aged < 5 years worldwide. Given the limited impact of current interventions for stunting, new multisectoral evidence-based approaches are needed to decrease the burden of stunting in low- and middle-income countries (LMICs). Recognizing that the health of people, animals, and the environment are connected, we present the rationale and research agenda for considering a One Health approach to child stunting. We contend that a One Health strategy may uncover new approaches to tackling child stunting by addressing several interdependent factors that prevent children from thriving in LMICs, and that coordinated interventions among human health, animal health, and environmental health sectors may have a synergistic effect in stunting reduction.
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- 2021
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39. Towards One Health clinical management of zoonoses: A parallel survey of Australian general medical practitioners and veterinarians.
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Steele SG, Booy R, Manocha R, Mor SM, and Toribio JLML
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- Animals, Australia, Cross-Sectional Studies, Data Collection, Female, Health Knowledge, Attitudes, Practice, Humans, Male, Risk Factors, Surveys and Questionnaires, General Practitioners, One Health, Veterinarians, Zoonoses prevention & control
- Abstract
General medical practitioners (GPs) and veterinarians have different but complementary knowledge and skills, with potential to enhance clinical management of zoonoses in human and animal patients through taking a One Health approach that promotes cross-professional collaboration. Ability and willingness to engage within this framework is contingent on knowledge of endemic zoonoses and an understanding of the diversity of professional roles; however, previous research suggests that this is lacking. A unique parallel survey of Australian GPs and veterinarians was implemented to ascertain clinician experience, concern, confidence and current practices regarding zoonoses management as well as willingness to engage in cross-professional collaboration where it is beneficial to overall health outcomes. Responses from 528 GPs and 605 veterinarians were analysed. Veterinarians in clinical practice were found to more frequently diagnose zoonoses; have greater concern about zoonoses; be more confident in diagnosing, managing and giving advice about the prevention of zoonoses; more likely to give advice about managing the risk of zoonoses; and more likely to initiate cross-professional referral compared to GPs (p < .001 in all areas, adjusted for other factors). The findings of this study indicate a need for change in both clinical and continuing professional education, especially for GPs, in order to better equip them in the area of zoonoses management. Exploration of pathways to encourage and facilitate cross-professional referral and collaboration will further improve clinical outcomes for both human and animal patients., (© 2020 Wiley-VCH GmbH.)
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- 2021
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40. Whence the next pandemic? The intersecting global geography of the animal-human interface, poor health systems and air transit centrality reveals conduits for high-impact spillover.
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Walsh MG, Sawleshwarkar S, Hossain S, and Mor SM
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The health and economic impacts of infectious disease pandemics are catastrophic as most recently manifested by coronavirus disease 2019 (COVID-19). The emerging infections that lead to substantive epidemics or pandemics are typically zoonoses that cross species boundaries at vulnerable points of animal-human interface. The sharing of space between wildlife and humans, and their domesticated animals, has dramatically increased in recent decades and is a key driver of pathogen spillover. Increasing animal-human interface has also occurred in concert with both increasing globalisation and failing health systems, resulting in a trifecta with dire implications for human and animal health. Nevertheless, to date we lack a geographical description of this trifecta that can be applied strategically to pandemic prevention. This investigation provides the first geographical quantification of the intersection of animal-human interfaces, poor human health system performance and global connectivity via the network of air travel. In so doing, this work provides a systematic, data-driven approach to classifying spillover hazard based on the distribution of animal-human interfaces while simultaneously identifying globally connected cities that are adjacent to these interfaces and which may facilitate global pathogen dissemination. We present this geography of high-impact spillover as a tool for developing targeted surveillance systems and improved health infrastructure in vulnerable areas that may present conduits for future pandemics., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The authors declare the following financial interests/personal relationships which may be considered as potential competing interests:, (© 2020 The Authors.)
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- 2020
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41. Selected Endemic Zoonoses in Pigs Presenting for Slaughter in Kampala, Uganda.
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Atherstone C, Mgode GF, Dhand NK, Alonso S, Grace D, Ward MP, and Mor SM
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- Animals, Brucellosis epidemiology, Cross-Sectional Studies, Data Collection, Female, Leptospira classification, Leptospirosis epidemiology, Leptospirosis microbiology, Male, Q Fever epidemiology, Real-Time Polymerase Chain Reaction veterinary, Risk Factors, Swine, Swine Diseases epidemiology, Uganda epidemiology, Zoonoses, Brucellosis veterinary, Endemic Diseases veterinary, Leptospirosis veterinary, Q Fever veterinary, Swine Diseases microbiology
- Abstract
Leptospirosis, brucellosis, and Q fever (coxiellosis) are bacterial zoonoses that cause acute febrile illness in people as well as reproductive losses in pigs. Pig keeping is an increasingly important livelihood to millions of smallholder farmers in Uganda because of exponential increases in demand for pork. The prevalence of leptospirosis and Q fever in pigs is unknown, and the few studies of porcine brucellosis have estimated a range of seroprevalence. Therefore, we undertook a prevalence survey of leptospirosis, brucellosis, and Q fever in pigs using quantitative real-time PCR to determine the potential importance of these zoonoses to the growing pig sector in Uganda. Six hundred forty-nine pigs were sampled in 2015-2016 at an urban pork slaughterhouse. Ten percent of pigs ( n = 68) had leptospiral DNA in either their kidney or reproductive tissue. In adjusted analyses, variables predictive of leptospiral status included female sex (odds ratio [OR]: 2.37, P < 0.01) and pigs sampled in March 2016 (OR: 2.23, P = 0.02) and October 2016 (OR: 0.30, P = 0.04). DNA fingerprinting revealed circulation of at least four distinct serovars in these pigs. Brucella spp. and Coxiella burnetii DNA were not detected in any sampled pig. This is the first report of widespread circulation of pathogenic Leptospira spp. in pigs in Uganda, suggesting that leptospirosis likely has a greater impact on the health of pigs than was previously recognized. Pig farmers, pig traders, and slaughterhouse workers may be at greatest occupational risk because of their direct contact with infective leptospires in aborted fetuses, bodily fluids, and other tissues.
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- 2020
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42. Highly Pathogenic Avian Influenza (H5N1) Landscape Suitability Varies by Wetland Habitats and the Degree of Interface between Wild Waterfowl and Poultry in India.
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Walsh MG, Mor SM, and Hossain S
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- Animals, Animals, Wild virology, India epidemiology, Influenza A Virus, H5N1 Subtype isolation & purification, Influenza A Virus, H5N1 Subtype metabolism, Influenza in Birds virology, Poultry virology, Poultry Diseases virology, Seasons, Wetlands, Disease Outbreaks veterinary, Influenza in Birds epidemiology, Poultry Diseases epidemiology
- Abstract
Highly pathogenic avian influenza (HPAI) virus, subtype H5N1, constitutes one of the world's most important health and economic concerns given the catastrophic impact of epizootics on the poultry industry, the high mortality attending spillover in humans, and its potential as a source subtype for a future pandemic. Nevertheless, we still lack an adequate understanding of HPAI H5N1 epidemiology and infection ecology. The nature of the wild waterfowl-poultry interface, and the sharing of diverse wetland habitat among these birds, currently underscore important knowledge gaps. India has emerged as a global hotspot for HPAI H5N1, while also providing critical wintering habitat for many species of migratory waterfowl and year-round habitat for several resident waterfowl species. The current study sought to examine the extent to which the wild waterfowl-poultry interface, varied wetland habitat, and climate influence HPAI H5N1 epizootics in poultry in India. Using World Organisation for Animal Health reported outbreaks, this study showed that the wild waterfowl-poultry interface and lacustrine, riparian, and coastal marsh wetland systems were strongly associated with landscape suitability, and these relationships varied by scale. Although increasing poultry density was associated with increasing risk, this was only the case in the absence of wild waterfowl habitat, and only at a local scale. In landscapes increasingly shared between wild waterfowl and poultry, suitability was greater among lower density poultry, again at a local scale only. These findings provide further insight into the occurrence of HPAI H5N1 in India and suggest important landscape targets for blocking the waterfowl-poultry interface to interrupt virus transmission and prevent future outbreaks.
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- 2020
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43. A preliminary ecological profile of Kyasanur Forest disease virus hosts among the mammalian wildlife of the Western Ghats, India.
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Walsh MG, Mor SM, Maity H, and Hossain S
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- Animals, Animals, Wild, Disease Reservoirs virology, Encephalitis Viruses, Tick-Borne physiology, India epidemiology, Kyasanur Forest Disease epidemiology, Kyasanur Forest Disease virology, Zoonoses virology, Disease Reservoirs veterinary, Encephalitis Viruses, Tick-Borne isolation & purification, Kyasanur Forest Disease veterinary, Mammals, Zoonoses epidemiology
- Abstract
Kyasanur Forest disease (KFD) virus is one of India's severe arboviruses capable of causing prolonged debilitating disease. It has been expanding beyond its historical endemic locus at an alarming rate over the last two decades. The natural nidus of this zoonosis is located in the monsoon rainforest of the Western Ghats, India, which is one of the world's most important biodiversity hotspots. Definitive reservoir hosts for KFD virus (KFDV) have yet to be delineated, and thus much of the infection ecology of this virus, and its consequent transmission dynamics, remains uncertain. Given its unique biogeographical context, identifying ecological parameters of KFDV relevant to the virus' epidemiology has been complex and challenging. The challenge has been exacerbated by diminished research efforts in wildlife surveillance over the last two decades, coinciding with the expansion of the range of KFD across the region. The current investigation sought to define a preliminary ecological profile of KFDV hosts based on their life history and feeding traits to aid in re-establishing targeted wildlife surveillance and to discern those ecological traits of wildlife hosts that may improve our understanding of KFD epidemiology. The importance of fast-living among KFDV hosts was of special interest with respect to the latter aim. We compared mammalian traits between host and non-host species using general additive models and phylogenetic generalised linear models. This study found that both body mass and forest forage were strongly associated with mammalian host infection status, but that reproductive life history traits were not. These findings will help in structuring ecologically based wildlife surveillance and field investigations, while also helping to parameterise novel epidemiological models of zoonotic infection risk that incorporate species functional traits in a region where biogeography, landscape ecology, and community ecology manifest extraordinary complexity, particularly under growing anthropogenic pressure., Competing Interests: Declaration of Competing Interest None., (Copyright © 2020 Elsevier GmbH. All rights reserved.)
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- 2020
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44. Genomic characterisation of Salmonella enterica serovar Wangata isolates obtained from different sources reveals low genomic diversity.
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Simpson KMJ, Mor SM, Ward MP, Collins J, Flint J, Hill-Cawthorne GA, and Abd El Ghany M
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- Animals, Humans, New South Wales, Phylogeny, Whole Genome Sequencing, Genetic Variation, Genome, Bacterial, Salmonella enterica genetics, Serogroup
- Abstract
Salmonella enterica serovar Wangata is an important pathogen in New South Wales (NSW), Australia. The incidence of S. Wangata is increasing and transmission is suspected to be via a non-food source. A recent outbreak investigation of sources of S. Wangata recovered isolates from humans, domestic animals, wildlife and the environment. Here, we extend that investigation by characterising and describing the genomic determinates of these isolates. We found that Australian S. Wangata isolates from different sources exhibited similar virulence and antimicrobial resistance gene profiles. There were no major genomic differences between isolates obtained from different geographical regions within Australia or from different host species. In addition, we found evidence (low number of SNPs and identical virulence gene profiles) suggestive of an international transmission event between Australia and the United Kingdom. This study supports the hypothesis that S. Wangata is shared between different hosts in NSW, Australia and provides strong justification for the continued use of genomic surveillance of Salmonella., Competing Interests: The authors have declared that no competing interests exist.
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- 2020
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45. Forest loss shapes the landscape suitability of Kyasanur Forest disease in the biodiversity hotspots of the Western Ghats, India.
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Walsh MG, Mor SM, Maity H, and Hossain S
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- Animal Distribution, Animals, Humans, India epidemiology, Population Density, Biodiversity, Conservation of Natural Resources trends, Disease Outbreaks, Kyasanur Forest Disease epidemiology
- Abstract
Background: Anthropogenic pressure in biodiversity hotspots is increasingly recognized as a major driver of the spillover and expansion of zoonotic disease. In the Western Ghats region of India, a devastating tick-borne zoonosis, Kyasanur Forest disease (KFD), has been expanding rapidly beyond its endemic range in recent decades. It has been suggested that anthropogenic pressure in the form of land use changes that lead to the loss of native forest may be directly contributing to the expanding range of KFD, but clear evidence has not yet established the association between forest loss and KFD risk., Methods: The current study sought to investigate the relationship between KFD landscape suitability and both forest loss and mammalian species richness, to inform its epidemiology and infection ecology. A total of 47 outbreaks of KFD between 1 January 2012 and 30 June 2019 were modelled as an inhomogeneous Poisson process., Results: Both forest loss [relative risk (RR) = 1.83; 95% confidence interval (CI) 1.33-2.51] and mammalian species richness (RR = 1.29; 95% CI 1.16-1.42) were strongly associated with increased risk of KFD and dominated its landscape suitability., Conclusions: These results provide the first evidence of a clear association between increasing forest loss and risk for KFD. Moreover, the findings also highlight the importance of forest loss in areas of high biodiversity. Therefore, this evidence provides strong support for integrative approaches to public health which incorporate conservation strategies simultaneously protective of humans, animals and the environment., (© The Author(s) 2019; all rights reserved. Published by Oxford University Press on behalf of the International Epidemiological Association.)
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- 2019
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46. What makes an effective One Health clinical practitioner? Opinions of Australian One Health experts.
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Steele SG, Toribio JA, Booy R, and Mor SM
- Abstract
Despite agreement that One Health practices facilitate effective management of zoonoses, the pathways to a coordinated and collaborative approach by general medical practitioners (GPs) and veterinarians are hampered by limited understanding of how this can be practically incorporated in routine clinical settings. Data collected during a Delphi survey of Australian One Health 'experts' was used to explore opinions and insights into desired knowledge, attitudes and practices of effective One Health clinical practitioners. Five categories were identified as essential for GPs and veterinarians, namely: accurate baseline knowledge of specific zoonoses; a 'big picture' understanding of zoonoses; understanding of professional roles within the One Health paradigm; understanding one's own professional limitations; and collaboration and referral improve outcomes. An outline of the roles and responsibilities of GPs and veterinarians as effective One Health clinicians was determined based on the opinions of the expert panel. Educational interventions that foster interprofessional communication and collaboration will be necessary to successfully bring about the cultural change required to achieve effective One Health practice in Australia, and thus expedite improved human, animal and environmental health outcomes., Competing Interests: The authors declare they have no competing interests., (© 2019 The Authors.)
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- 2019
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47. Cardiac pacing challenge in Sub-Saharan Africa environnement: experience of the Cardiology Department of Teaching Hospital Aristide Le Dantec in Dakar.
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Kane A, Sarr SA, Ndobo JVD, Tabane A, Babaka K, Aw F, Bodian M, Beye SM, Dioum M, Ngaidé AA, Ndiaye MB, Mbaye A, Diao M, Kane A, and Ba SA
- Subjects
- Adolescent, Adult, Aged, Aged, 80 and over, Arrhythmias, Cardiac diagnosis, Arrhythmias, Cardiac mortality, Arrhythmias, Cardiac physiopathology, Cardiac Pacing, Artificial adverse effects, Cardiac Pacing, Artificial mortality, Female, Hospital Mortality trends, Humans, Male, Middle Aged, Pacemaker, Artificial trends, Referral and Consultation trends, Retrospective Studies, Risk Factors, Senegal, Time Factors, Treatment Outcome, Young Adult, Arrhythmias, Cardiac therapy, Cardiac Pacing, Artificial trends, Cardiology Service, Hospital trends, Hospitals, Teaching trends, Practice Patterns, Physicians' trends
- Abstract
Background: Cardiac pacing is a growing activity in Sub-Saharan Africa. There is little data on the characteristics of this interventional treatment in our regions. The goal was to evaluate the results of cardiac pacing in a referral service in sub-Saharan Africa., Methods: We carried out a twelve-year retrospective study (from January 1st, 2004 to December 31st, 2015) in the Cardiology Department of Aristide Le Dantec University Hospital. This work included all patients who received definitive cardiac pacing during the study period and followed up in the service., Results: In total we included 606 patients. There was a growing trend in activity with a peak in 2015 (17%). The average age was 70.6 ± 12.03 years. Some patients (15.4%) came from the subregion. The patients were mostly of medium socio-economic level (53%); 14% were of low socio-economic level. Patients were symptomatic in 85% of cases (37.4% syncope). The indications were dominated by complete atrioventricular block (81.5%); sinus dysfunction accounted for 1.9% of them. A temporary pacemaker was used in 60% of cases for an average duration of 5.1 ± 6.3 days. Antibiotics, local anesthesia and analgesics were used in all cases. Implanted pacemakers were single chamber in 56% of cases and double chamber in 44% of cases. In 39 patients (6.4%), the pacemaker was a « re-used » one. The atrial leads were most often placed in a lateral position (94.5%). The ventricular ones were predominantly tined (95.7%) and more often located at the apical level. Complications were noted in 24 patients (3.9%), dominated by devices externalizations and infections, which together accounted for 2.7% of cases. The number of people in the cathlab was significantly higher and the duration of the temporary pacemaker was longer for patients who had a complication. There was no significant difference depending on the type of pacemaker used (new or reused). Seven (7) in hospital death cases were reported., Conclusion: Cardiac pacing is a growing activity in Dakar.
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- 2019
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48. Commentary: Retrospective and prospective perspectives on zoonotic brucellosis.
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Kneipp C, Malik R, Mor SM, and Wiethoelter AK
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- 2019
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49. Divergent geography of Salmonella Wangata and Salmonella Typhimurium epidemiology in New South Wales, Australia.
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Simpson KMJ, Mor SM, Ward MP, and Walsh MG
- Abstract
Salmonella enterica serovar Wangata is an important cause of salmonellosis in the state of New South Wales, Australia. Standard surveillance has not identified a common food source and cases have been attributed to an unknown environmental or wildlife reservoir. Investigation of the spatial distribution of cases may provide valuable insights into local risk factors for infection and the potential role of the environment and wildlife. Using conditional autoregressive analysis, we explored the association between laboratory-confirmed cases of S. Wangata reported to the New South Wales Department of Health and human socio-demographic, climate, land cover and wildlife features. For comparison, a model was also fitted to investigate the association of cases of Salmonella enterica serovar Typhimurium, an established foodborne serotype, with the same features. To determine if cases of S . Wangata were associated with potential wildlife reservoir species, additional variables were included in the S. Wangata model that indicated areas of high suitability for each species. We found that cases of S . Wangata were associated with warmer temperatures, proximity to wetlands and amphibian species richness. In contrast, cases of S. Typhimurium were associated with human demographic features (proportion of the population comprising children <5 years old), climate (mean annual precipitation and mean annual temperature) and land cover (proportion comprising urban and evergreen broadleaf forest). These findings support the hypothesis that S . Wangata is likely to be associated with an environmental source. Whilst we expected S. Typhimurium to be associated with the human socio-demographic feature, the significance of the land cover features was surprising and might suggest the epidemiology of S. Typhimurium in Australia is more complex than currently understood.
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- 2019
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50. The elephant-livestock interface modulates anthrax suitability in India.
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Walsh MG, Mor SM, and Hossain S
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- Animals, Anthrax microbiology, Anthrax transmission, Cattle, Cattle Diseases microbiology, Goat Diseases microbiology, Goats, India, Sheep, Sheep Diseases microbiology, Anthrax veterinary, Cattle Diseases transmission, Elephants, Goat Diseases transmission, Sheep Diseases transmission
- Abstract
Anthrax is a potentially life-threatening bacterial disease that can spread between wild and livestock animals and humans. Transmission typically occurs indirectly via environmental exposure, with devastating consequences for human and animal health, as well as pastoralist economies. India has a high annual occurrence of anthrax in some regions, but a country-wide delineation of risk has not yet been undertaken. The current study modelled the geographical suitability of anthrax across India and its associated environmental features using a biogeographic application of machine learning. Both biotic and abiotic features contributed to risk across multiple scales of influence. The elephant-livestock interface was the dominant feature in delineating anthrax suitability. In addition, water-soil balance, soil chemistry and historical forest loss were also influential. These findings suggest that the elephant-livestock interface plays an important role in the cycling of anthrax in India. Livestock prevention efforts targeting this interface, particularly within anthropogenic ecotones, may yield successes in reducing ongoing transmission between animal hosts and subsequent zoonotic transmission to humans.
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- 2019
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