15 results on '"Mimbe D"'
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2. AN ELECTRONIC LABORATORY SPECIMEN MANAGEMENT SYSTEM SUPPORTING A RURAL HOME-BASED AIDS CARE PROJECT IN UGANDA
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Mimbe D, Behumbiize, P, Kusemererwa, A, and Ndazima
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- 2003
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3. Association Between Transfusion With Human Herpesvirus 8 Antibody-Positive Blood and Subsequent Mortality
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Hladik, W., primary, Pellett, P. E., additional, Hancock, J., additional, Downing, R., additional, Gao, H., additional, Packel, L., additional, Mimbe, D., additional, Nzaro, E., additional, and Mermin, J., additional
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- 2012
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4. Influenza and influenza like illness in human populations in Uganda
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Mworozi, E., primary, Byarugaba, D., additional, Erima, B., additional, Bwogi, J., additional, Luswa, L., additional, Mimbe, D., additional, Milland, M., additional, Kibuuka, H., additional, and Mangeni, W., additional
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- 2012
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5. Predictors for Risk Factors for Spread of Avian Influenza Viruses by Poultry Handlers in Live bird markets in Uganda.
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Kirunda, H., Mugimba, K. K., Erima, B., Mimbe, D., Byarugaba, D. K., and Wabwire ‐ Mangen, F.
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AVIAN influenza ,RESPIRATORY infections ,PUBLIC health ,HEALTH education ,HEALTH literacy ,PREVENTIVE medicine ,PUBLIC health research - Abstract
Live bird markets (LBMs) are essential for marketing poultry, but have been linked to many outbreaks of avian influenza (AI) and its spread. In Uganda, it has been observed that demographic characteristics of poultry traders/handlers influence activities and decision-making in LBMs. The study investigated the influence of socio-demographic characteristics of poultry handlers: age, sex, religion, educational background, level of income, location of residence and region of operation on 20 potential risk factors for introduction and spread of AI in LBMs. Study sites included 39 LBMs in the four regions of Uganda. Data was collected using a semi-structured questionnaire administered to 424 poultry handlers. We observed that background of education was a predictor for slaughter and processing of poultry in open sites. Location of residence was associated with slaughter of poultry from open sites and selling of other livestock species. Region influenced stacking of cages, inadequate cleaning of cages, feeders and drinkers, and provision of dirty feed and water. Specifically, bird handlers with secondary level of education (OR = 12.9, 95% CI: 2.88-57.4, P < 0.01) were more likely to be involved in open site slaughter of poultry than their counterparts without formal education. Comparatively, urbanite bird handlers were less likely to share poultry equipment (OR = 0.4, 95% CI: 0.22-0.63, P < 0.01) than rural resident handlers. Poultry handlers in Northern were 3.5 times more likely to practise insufficient cleaning of cages (OR = 3.5, 95% CI: 1.52-8.09) compared to those in Central region. We demonstrated that some socio-demographic characteristics of poultry handlers were predictors to risky practices for introduction and spread of AI viruses in LBMs in Uganda. [ABSTRACT FROM AUTHOR]
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- 2015
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6. Genetic analysis of influenza B viruses isolated in Uganda during the 2009–2010 seasons
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Byarugaba Denis K, Erima Bernard, Millard Monica, Kibuuka Hannah, L Lukwago, Bwogi Josephine, Mimbe Derrick, Mworozi Edison A, Sharp Bridget, Krauss Scott, Webby Richard J, Webster Robert G, Martin Samuel K, Wabwire-Mangen Fred, and Ducatez Mariette F
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Influenza B ,Genetic analysis ,Uganda ,Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract Background Influenza B viruses can cause morbidity and mortality in humans but due to the lack of an animal reservoir are not associated with pandemics. Because of this, there is relatively limited genetic sequences available for influenza B viruses, especially from developing countries. Complete genome analysis of one influenza B virus and several gene segments of other influenza B viruses isolated from Uganda from May 2009 through December 2010 was therefore undertaken in this study. Methods Samples were collected from patients showing influenza like illness and screened for influenza A and B by PCR. Influenza B viruses were isolated on Madin-Darby Canine Kidney cells and selected isolates were subsequently sequenced and analyzed phylogenetically. Findings Of the 2,089 samples collected during the period, 292 were positive by PCR for influenza A or B; 12.3% of the PCR positives were influenza B. Thirty influenza B viruses were recovered and of these 25 that grew well consistently on subculture were subjected to further analysis. All the isolates belonged to the B/Victoria-lineage as identified by hemagglutination inhibition assay and genetic analysis except one isolate that grouped with the B-Yamagata-lineage. The Ugandan B/Victoria-lineage isolates grouped in clade 1 which was defined by the N75K, N165K and S172P substitutions in hemagglutinin (HA) protein clustered together with the B/Brisbane/60/2008 vaccine strain. The Yamagata-like Ugandan strain, B/Uganda/MUWRP-053/2009, clustered with clade 3 Yamagata viruses such as B/Bangladesh/3333/2007 which is characterized by S150I and N166Y substitutions in HA. Conclusion In general there was limited variation among the Ugandan isolates but they were interestingly closer to viruses from West and North Africa than from neighboring Kenya. Our isolates closely matched the World Health Organization recommended vaccines for the seasons.
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- 2013
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7. The effect of HIV on morbidity and mortality in children with severe malarial anaemia
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Nzaro Esau, Mimbe Derrick, Rutherford George, McFarland Willi, Banage Flora, Reingold Arthur, Hladik Wolfgang, Malamba Samuel, Downing Robert, and Mermin Jonathan
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Arctic medicine. Tropical medicine ,RC955-962 ,Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract Background Malaria and HIV are common causes of mortality in sub-Saharan Africa. The effect of HIV infection on morbidity and mortality in children with severe malarial anaemia was assessed. Methods Children Findings Of 847 children, 78 (9.2%) were HIV-infected. Median follow-up time was 162 days (inter-quartile range: 111, 169). HIV-infected children were more likely to die within 7 days (Hazard ratio [HR] = 2.86, 95% Confidence interval [CI] 1.30–6.29, P = 0.009) and within 28 days (HR = 3.70, 95% CI 1.91–7.17, P < 0.001) of an episode of severe malarial anaemia, and were more likely to die in the 6 months post-transfusion (HR = 5.70, 95% CI 3.54–9.16, P < 0.001) compared to HIV-uninfected children. HIV-infected children had more frequent re-admissions due to malaria within 28 days (Incidence rate ratio (IRR) = 3.74, 95% CI 1.41–9.90, P = 0.008) and within 6 months (IRR = 2.66, 95% CI 1.17 – 6.07, P = 0.02) post-transfusion than HIV-uninfected children. Conclusion HIV-infected children with severe malarial anaemia suffered higher all-cause mortality and malaria-related mortality than HIV-uninfected children. Children with HIV and malaria should receive aggressive treatment and further evaluation of their HIV disease, particularly with regard to cotrimoxazole prophylaxis and antiretroviral therapy.
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- 2007
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8. Uganda's experience in Ebola virus disease outbreak preparedness, 2018-2019.
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Aceng JR, Ario AR, Muruta AN, Makumbi I, Nanyunja M, Komakech I, Bakainaga AN, Talisuna AO, Mwesigye C, Mpairwe AM, Tusiime JB, Lali WZ, Katushabe E, Ocom F, Kaggwa M, Bongomin B, Kasule H, Mwoga JN, Sensasi B, Mwebembezi E, Katureebe C, Sentumbwe O, Nalwadda R, Mbaka P, Fatunmbi BS, Nakiire L, Lamorde M, Walwema R, Kambugu A, Nanyondo J, Okware S, Ahabwe PB, Nabukenya I, Kayiwa J, Wetaka MM, Kyazze S, Kwesiga B, Kadobera D, Bulage L, Nanziri C, Monje F, Aliddeki DM, Ntono V, Gonahasa D, Nabatanzi S, Nsereko G, Nakinsige A, Mabumba E, Lubwama B, Sekamatte M, Kibuule M, Muwanguzi D, Amone J, Upenytho GD, Driwale A, Seru M, Sebisubi F, Akello H, Kabanda R, Mutengeki DK, Bakyaita T, Serwanjja VN, Okwi R, Okiria J, Ainebyoona E, Opar BT, Mimbe D, Kyabaggu D, Ayebazibwe C, Sentumbwe J, Mwanja M, Ndumu DB, Bwogi J, Balinandi S, Nyakarahuka L, Tumusiime A, Kyondo J, Mulei S, Lutwama J, Kaleebu P, Kagirita A, Nabadda S, Oumo P, Lukwago R, Kasozi J, Masylukov O, Kyobe HB, Berdaga V, Lwanga M, Opio JC, Matseketse D, Eyul J, Oteba MO, Bukirwa H, Bulya N, Masiira B, Kihembo C, Ohuabunwo C, Antara SN, Owembabazi W, Okot PB, Okwera J, Amoros I, Kajja V, Mukunda BS, Sorela I, Adams G, Shoemaker T, Klena JD, Taboy CH, Ward SE, Merrill RD, Carter RJ, Harris JR, Banage F, Nsibambi T, Ojwang J, Kasule JN, Stowell DF, Brown VR, Zhu BP, Homsy J, Nelson LJ, Tusiime PK, Olaro C, Mwebesa HG, and Woldemariam YT
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- Civil Defense methods, Civil Defense statistics & numerical data, Hemorrhagic Fever, Ebola epidemiology, Humans, Public Health methods, Public Health standards, Uganda epidemiology, World Health Organization organization & administration, Civil Defense standards, Disease Outbreaks statistics & numerical data, Hemorrhagic Fever, Ebola therapy
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Background: Since the declaration of the 10th Ebola Virus Disease (EVD) outbreak in DRC on 1st Aug 2018, several neighboring countries have been developing and implementing preparedness efforts to prevent EVD cross-border transmission to enable timely detection, investigation, and response in the event of a confirmed EVD outbreak in the country. We describe Uganda's experience in EVD preparedness., Results: On 4 August 2018, the Uganda Ministry of Health (MoH) activated the Public Health Emergency Operations Centre (PHEOC) and the National Task Force (NTF) for public health emergencies to plan, guide, and coordinate EVD preparedness in the country. The NTF selected an Incident Management Team (IMT), constituting a National Rapid Response Team (NRRT) that supported activation of the District Task Forces (DTFs) and District Rapid Response Teams (DRRTs) that jointly assessed levels of preparedness in 30 designated high-risk districts representing category 1 (20 districts) and category 2 (10 districts). The MoH, with technical guidance from the World Health Organisation (WHO), led EVD preparedness activities and worked together with other ministries and partner organisations to enhance community-based surveillance systems, develop and disseminate risk communication messages, engage communities, reinforce EVD screening and infection prevention measures at Points of Entry (PoEs) and in high-risk health facilities, construct and equip EVD isolation and treatment units, and establish coordination and procurement mechanisms., Conclusion: As of 31 May 2019, there was no confirmed case of EVD as Uganda has continued to make significant and verifiable progress in EVD preparedness. There is a need to sustain these efforts, not only in EVD preparedness but also across the entire spectrum of a multi-hazard framework. These efforts strengthen country capacity and compel the country to avail resources for preparedness and management of incidents at the source while effectively cutting costs of using a "fire-fighting" approach during public health emergencies.
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- 2020
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9. Pre-positioned Outbreak Research: The Joint Medical Emerging Diseases Intervention Clinical Capability Experience in Uganda.
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Martins KA, Ayebare RR, Bhadelia N, Kiweewa F, Waitt P, Mimbe D, Okello S, Naluyima P, Brett-Major DM, Lawler JV, Millard M, Walwema R, Cardile AP, Ritchie C, Kwiecien A, Badu H, Espinosa BJ, Beckett C, Bavari S, Zaman S, Christopher G, Clark DV, Lamorde M, and Kibuuka H
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- Clinical Trials as Topic methods, Communicable Diseases, Emerging prevention & control, Disease Transmission, Infectious prevention & control, Hemorrhagic Fevers, Viral therapy, Humans, Uganda epidemiology, Clinical Trials as Topic organization & administration, Disease Outbreaks prevention & control, Hemorrhagic Fevers, Viral prevention & control
- Abstract
The West Africa Ebola virus disease outbreak of 2014-2016 demonstrated that responses to viral hemorrhagic fever epidemics must go beyond emergency stopgap measures and should incorporate high-quality medical care and clinical research. Optimal patient management is essential to improving outcomes, and it must be implemented regardless of geographical location or patient socioeconomic status. Coupling clinical research with improved care has a significant added benefit: Improved data quality and management can guide the development of more effective supportive care algorithms and can support regulatory approvals of investigational medical countermeasures (MCMs), which can alter the cycle of emergency response to reemerging pathogens. However, executing clinical research during outbreaks of high-consequence pathogens is complicated and comes with ethical and research regulatory challenges. Aggressive care and excellent quality control must be balanced by the requirements of an appropriate infection prevention and control posture for healthcare workers and by overcoming the resource limitations inherent in many outbreak settings. The Joint Mobile Emerging Disease Intervention Clinical Capability was established in 2015 to develop a high-quality clinical trial capability in Uganda to support rigorous evaluation of MCMs targeting high-consequence pathogens like Ebola virus. This capability assembles clinicians, laboratorians, clinical researchers, logisticians, and regulatory professionals trained in infection prevention and control and in good clinical and good clinical laboratory practices. The resulting team is prepared to provide high-quality medical care and clinical research during high-consequence outbreaks.
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- 2020
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10. The Joint Mobile Emerging Disease Clinical Capability (JMEDICC) laboratory approach: Capabilities for high-consequence pathogen clinical research.
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Naluyima P, Kayondo W, Ritchie C, Wandege J, Kagabane S, Tumubeere L, Kusiima B, Kibombo D, Atukunda S, Nanteza C, Nabirye H, Mugabi FB, Namuyanja S, Hatcher C, Rauch H, Mukembo M, Musinguzi P, Sanders N, Turesson E, Cando C, Walwema R, Mimbe D, Hepburn J, Clark D, Lamorde M, Kibuuka H, Zaman S, Cardile AP, and Martins KA
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- Humans, Uganda, United States, Clinical Laboratory Services organization & administration, Clinical Trials as Topic organization & administration, Communicable Disease Control methods, Disease Outbreaks prevention & control, Disease Transmission, Infectious prevention & control
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Following the 2013-2016 Ebola virus outbreak in West Africa, numerous groups advocated for the importance of executing clinical trials in outbreak settings. The difficulties associated with obtaining reliable data to support regulatory approval of investigational vaccines and therapeutics during that outbreak were a disappointment on a research and product development level, as well as on a humanitarian level. In response to lessons learned from the outbreak, the United States Department of Defense established a multi-institute project called the Joint Mobile Emerging Disease Intervention Clinical Capability (JMEDICC). JMEDICC's primary objective is to establish the technical capability in western Uganda to execute clinical trials during outbreaks of high-consequence pathogens such as the Ebola virus. A critical component of clinical trial execution is the establishment of laboratory operations. Technical, logistical, and political challenges complicate laboratory operations, and these challenges have been mitigated by JMEDICC to enable readiness for laboratory outbreak response operations., Competing Interests: The authors have declared that no competing interests exist.
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- 2019
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11. Whole-genome analysis of influenza A(H1N1)pdm09 viruses isolated in Uganda from 2009 to 2011.
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Byarugaba DK, Erima B, Millard M, Kibuuka H, Lkwago L, Bwogi J, Mimbe D, Kiconco JB, Tugume T, Mworozi EA, Turner J, Mckenzie PP, Webby RR, Webster RG, Foret C, Ducatez MF, Coldren R, Wabwire-Mangen F, and Krauss S
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- Amino Acid Substitution, Antigens, Viral, Evolution, Molecular, Hemagglutinin Glycoproteins, Influenza Virus chemistry, Hemagglutinin Glycoproteins, Influenza Virus genetics, Humans, Influenza A Virus, H1N1 Subtype isolation & purification, Influenza, Human epidemiology, Neuraminidase chemistry, Neuraminidase genetics, Phylogeny, RNA, Viral genetics, Seasons, Sequence Analysis, RNA, Uganda epidemiology, Genome, Viral, Influenza A Virus, H1N1 Subtype genetics, Influenza, Human virology
- Abstract
We report a whole-genome analysis of 19 influenza A(H1N1)pdm09 isolates from four Ugandan hospitals between 2009 and 2011. The isolates differed from the vaccine strain A/California/07/2009 by three amino acid substitutions P100S, S220T, and I338V in the hemagglutinin and by two amino acid substitutions V106I and N248D in the neuraminidase proteins with consistent mutations in all gene segments distinguishing isolates from the 2009/2010 to 2010/2011 seasons. Phylogenetic analysis showed low genetic evolution, with genetic distances of 0%-1.3% and 0.1%-1.6% for HA and NA genes, respectively. The amino acid substitutions did not lead to antigenic differences from the reference strains., (© 2016 The Authors. Influenza and Other Respiratory Viruses Published by John Wiley & Sons Ltd.)
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- 2016
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12. Prevalence of influenza A viruses in livestock and free-living waterfowl in Uganda.
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Kirunda H, Erima B, Tumushabe A, Kiconco J, Tugume T, Mulei S, Mimbe D, Mworozi E, Bwogi J, Luswa L, Kibuuka H, Millard M, Byaruhanga A, Ducatez MF, Krauss S, Webby RJ, Webster RG, Wurapa K, Byarugaba DK, and Wabwire-Mangen F
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- Animals, Female, Logistic Models, Male, Odds Ratio, Orthomyxoviridae Infections epidemiology, Orthomyxoviridae Infections veterinary, Orthomyxoviridae Infections virology, Risk Factors, Seroepidemiologic Studies, Uganda epidemiology, Animals, Wild, Anseriformes, Influenza A virus isolation & purification, Livestock
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Background: Avian influenza viruses may cause severe disease in a variety of domestic animal species worldwide, with high mortality in chickens and turkeys. To reduce the information gap about prevalence of these viruses in animals in Uganda, this study was undertaken., Results: Influenza A virus prevalence by RT-PCR was 1.1% (45/4,052) while seroprevalence by ELISA was 0.8% (24/2,970). Virus prevalence was highest in domestic ducks (2.7%, 17/629) and turkeys (2.6%, 2/76), followed by free-living waterfowl (1.3%, 12/929) and swine (1.4%, 7/511). A lower proportion of chicken samples (0.4%, 7/1,865) tested positive. No influenza A virus was isolated. A seasonal prevalence of these viruses in waterfowl was 0.7% (4/561) for the dry and 2.2% (8/368) for the wet season. In poultry, prevalence was 0.2% (2/863) for the dry and 1.4% (24/1,713) for the wet season, while that of swine was 0.0% (0/159) and 2.0% (7/352) in the two seasons, respectively. Of the 45 RT-PCR positive samples, 13 (28.9%) of them were H5 but none was H7. The 19 swine sera positive for influenza antibodies by ELISA were positive for H1 antibodies by HAI assay, but the subtype(s) of ELISA positive poultry sera could not be determined. Antibodies in the poultry sera could have been those against subtypes not included in the HAI test panel., Conclusions: The study has demonstrated occurrence of influenza A viruses in animals in Uganda. The results suggest that increase in volumes of migratory waterfowl in the country could be associated with increased prevalence of these viruses in free-living waterfowl and poultry.
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- 2014
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13. Capacity-building efforts by the AFHSC-GEIS program.
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Sanchez JL, Johns MC, Burke RL, Vest KG, Fukuda MM, Yoon IK, Lon C, Quintana M, Schnabel DC, Pimentel G, Mansour M, Tobias S, Montgomery JM, Gray GC, Saylors K, Ndip LM, Lewis S, Blair PJ, Sjoberg PA, Kuschner RA, Russell KL, Blazes DL, Witt CJ, Money NN, Gaydos JC, Pavlin JA, Gibbons RV, Jarman RG, Stoner M, Shrestha SK, Owens AB, Iioshi N, Osuna MA, Martin SK, Gordon SW, Bulimo WD, Waitumbi DJ, Assefa B, Tjaden JA, Earhart KC, Kasper MR, Brice GT, Rogers WO, Kochel T, Laguna-Torres VA, Garcia J, Baker W, Wolfe N, Tamoufe U, Djoko CF, Fair JN, Akoachere JF, Feighner B, Hawksworth A, Myers CA, Courtney WG, Macintosh VA, Gibbons T, Macias EA, Grogl M, O'Neil MT, Lyons AG, Houng HS, Rueda L, Mattero A, Sekonde E, Sang R, Sang W, Palys TJ, Jerke KH, Millard M, Erima B, Mimbe D, Byarugaba D, Wabwire-Mangen F, Shiau D, Wells N, Bacon D, Misinzo G, Kulanga C, Haverkamp G, Kohi YM, Brown ML, Klein TA, Meyers M, Schoepp RJ, Norwood DA, Cooper MJ, Maza JP, Reeves WE, and Guan J
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- Global Health, Government Agencies, Humans, International Cooperation, Laboratories, United States, Influenza, Human epidemiology, Military Personnel, Public Health, Respiratory Tract Infections epidemiology, Sentinel Surveillance
- Abstract
Capacity-building initiatives related to public health are defined as developing laboratory infrastructure, strengthening host-country disease surveillance initiatives, transferring technical expertise and training personnel. These initiatives represented a major piece of the Armed Forces Health Surveillance Center, Division of Global Emerging Infections Surveillance and Response System (AFHSC-GEIS) contributions to worldwide emerging infectious disease (EID) surveillance and response. Capacity-building initiatives were undertaken with over 80 local and regional Ministries of Health, Agriculture and Defense, as well as other government entities and institutions worldwide. The efforts supported at least 52 national influenza centers and other country-specific influenza, regional and U.S.-based EID reference laboratories (44 civilian, eight military) in 46 countries worldwide. Equally important, reference testing, laboratory infrastructure and equipment support was provided to over 500 field sites in 74 countries worldwide from October 2008 to September 2009. These activities allowed countries to better meet the milestones of implementation of the 2005 International Health Regulations and complemented many initiatives undertaken by other U.S. government agencies, such as the U.S. Department of Health and Human Services, the U.S. Agency for International Development and the U.S. Department of State.
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- 2011
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14. Molecular epidemiology of influenza A/H3N2 viruses circulating in Uganda.
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Byarugaba DK, Ducatez MF, Erima B, Mworozi EA, Millard M, Kibuuka H, Lukwago L, Bwogi J, Kaira BB, Mimbe D, Schnabel DC, Krauss S, Darnell D, Webby RJ, Webster RG, and Wabwire-Mangen F
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- Adolescent, Adult, Child, Child, Preschool, Genes, Viral genetics, Hemagglutinin Glycoproteins, Influenza Virus genetics, Humans, Infant, Infant, Newborn, Influenza A Virus, H3N2 Subtype isolation & purification, Molecular Epidemiology, Molecular Sequence Data, Phylogeny, Sequence Analysis, DNA, Uganda epidemiology, Young Adult, Influenza A Virus, H3N2 Subtype genetics, Influenza, Human epidemiology, Influenza, Human virology
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The increasing availability of complete influenza virus genomes is deepening our understanding of influenza evolutionary dynamics and facilitating the selection of vaccine strains. However, only one complete African influenza virus sequence is available in the public domain. Here we present a complete genome analysis of 59 influenza A/H3N2 viruses isolated from humans in Uganda during the 2008 and 2009 season. Isolates were recovered from hospital-based sentinel surveillance for influenza-like illnesses and their whole genome sequenced. The viruses circulating during these two seasons clearly differed from each other phylogenetically. They showed a slow evolution away from the 2009/10 recommended vaccine strain (A/Brisbane/10/07), instead clustering with the 2010/11 recommended vaccine strain (A/Perth/16/09) in the A/Victoria/208/09 clade, as observed in other global regions. All of the isolates carried the adamantane resistance marker S31N in the M2 gene and carried several markers of enhanced transmission; as expected, none carried any marker of neuraminidase inhibitor resistance. The hemagglutinin gene of the 2009 isolates differed from that of the 2008 isolates in antigenic sites A, B, D, and to a lesser extent, C and E indicating evidence of an early phylogenetic shift from the 2008 to 2009 viruses. The internal genes of the 2009 isolates were similar to those of one 2008 isolate, A/Uganda/MUWRP-050/2008. Another 2008 isolate had a truncated PB1-F2 protein. Whole genome sequencing can enhance surveillance of future seasonal changes in the viral genome which is crucial to ensure that selected vaccine strains are protective against the strains circulating in Eastern Africa. This data provides an important baseline for this surveillance. Overall the influenza virus activity in Uganda appears to mirror that observed in other regions of the southern hemisphere.
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- 2011
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15. The effect of HIV on morbidity and mortality in children with severe malarial anaemia.
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Malamba S, Hladik W, Reingold A, Banage F, McFarland W, Rutherford G, Mimbe D, Nzaro E, Downing R, and Mermin J
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- AIDS-Related Opportunistic Infections complications, Anemia complications, Anemia mortality, Anemia parasitology, Blood-Borne Pathogens, Child, Preschool, Cohort Studies, Disease Transmission, Infectious prevention & control, HIV Infections complications, HIV Infections mortality, HIV Infections prevention & control, Humans, Infant, Malaria epidemiology, Morbidity, Prospective Studies, AIDS-Related Opportunistic Infections mortality, Anemia epidemiology, HIV Infections epidemiology, Malaria complications, Transfusion Reaction
- Abstract
Background: Malaria and HIV are common causes of mortality in sub-Saharan Africa. The effect of HIV infection on morbidity and mortality in children with severe malarial anaemia was assessed., Methods: Children <5 years old were followed as part of a prospective cohort study to assess the transfusion-associated transmission of blood-borne pathogens at Mulago Hospital, Kampala, Uganda. All children were hospitalized with a diagnosis of severe malarial anaemia requiring blood transfusion. Survival to different time points post-transfusion was compared between HIV-infected and uninfected children. Generalized estimating equations were used to analyse repeated measurement outcomes of morbidity, adjusting for confounders., Findings: Of 847 children, 78 (9.2%) were HIV-infected. Median follow-up time was 162 days (inter-quartile range: 111, 169). HIV-infected children were more likely to die within 7 days (Hazard ratio [HR] = 2.86, 95% Confidence interval [CI] 1.30-6.29, P = 0.009) and within 28 days (HR = 3.70, 95% CI 1.91-7.17, P < 0.001) of an episode of severe malarial anaemia, and were more likely to die in the 6 months post-transfusion (HR = 5.70, 95% CI 3.54-9.16, P < 0.001) compared to HIV-uninfected children. HIV-infected children had more frequent re-admissions due to malaria within 28 days (Incidence rate ratio (IRR) = 3.74, 95% CI 1.41-9.90, P = 0.008) and within 6 months (IRR = 2.66, 95% CI 1.17 - 6.07, P = 0.02) post-transfusion than HIV-uninfected children., Conclusion: HIV-infected children with severe malarial anaemia suffered higher all-cause mortality and malaria-related mortality than HIV-uninfected children. Children with HIV and malaria should receive aggressive treatment and further evaluation of their HIV disease, particularly with regard to cotrimoxazole prophylaxis and antiretroviral therapy.
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- 2007
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