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3. Concordance between two monoclonal antibody-based antigen detection enzyme-linked immunosorbent assays for measuring cysticercal antigen levels in sera from pigs experimentally infected with Taenia solium and Taenia hydatigena

Author

Arroyo, Gianfranco, Toribio, Luz, Garrido, Sara, Chile, Nancy, Lopez-Urbina, Teresa, Gomez-Puerta, Luis A., Muro, Miguel, Gilman, Robert H., Castillo, Yesenia, Dorny, Pierre, O’Neal, Seth E., Gonzalez, Armando E., and Garcia, Hector H.

Published
2024
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7. Evaluation of a point-of-care test for the diagnosis of Taenia solium neurocysticercosis in rural southern Tanzania: a diagnostic accuracy study

Author

Chabala, Chishala, Mubanga, Chishimba, Jansen, Famke, Phiri, Isaac K., Mambo, Richard, Stelzle, Dominik, Makasi, Charles E, Schmidt, Veronika, Van Damme, Inge, Trevisan, Chiara, Ruether, Charlotte, Fleury, Agnès, Noh, John, Handali, Sukwan, Dorny, Pierre, Magnussen, Pascal, Zulu, Gideon, Mwape, Kabemba E, Bottieau, Emmanuel, Gabriël, Sarah, Ngowi, Bernard J, and Winkler, Andrea S

Published
2024
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12. Urinary neopterin reflects immunological variation associated with age, helminth parasitism, and the microbiome in a wild primate

Author

Schneider-Crease, India A., Feder, Jacob A., Baniel, Alice, McCann, Colleen, Haile, Abebaw Azanaw, Abebe, Belayneh, Fitzgerald, Lauren, Gomery, Megan A., Simberloff, Ruth A., Petrie, Zack L., Gabriel, Sarah, Dorny, Pierre, Fashing, Peter J., Nguyen, Nga, Bergman, Thore J., Beehner, Jacinta C., Snyder-Mackler, Noah, and Lu, Amy

Published
2022
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18. Could a ring treatment approach be proposed to control Taenia solium transmission in a post elimination setting? A pilot study in Zambia.

Author

Trevisan, Chiara, Mwape, Kabemba E., Van Damme, Inge, Saelens, Ganna, Mubanga, Chishimba, Chembensofu, Mwelwa, Masuku, Maxwell, O'Neal, Seth, Zulu, Gideon, Dorny, Pierre, and Gabriël, Sarah

Subjects
TAENIA solium, CYSTICERCOSIS, SWINE, SEROCONVERSION, PILOT projects, NEUROCYSTICERCOSIS
Abstract

Background: Geographically targeted Taenia solium ring approaches consisting of treating individuals within a radius of 100-meter of a cysticercosis positive pig have been trialled in Peru. This study explored if a similar approach could be proposed to control T. solium transmission in a post elimination setting in Zambia, focussing on community members' willingness to be sampled and treated. Methodology and Principal findings: The study was conducted in a community where elimination of active T. solium transmission was achieved. All eligible pigs and people were sampled, at 4- to 6-monthly intervals, followed by implementation of the ring treatment approach. This implied that whenever a pig was seropositive for cysticercosis during sampling, every human and pig residing in a radius of 50-meters of the seropositive pig would be treated. The results of the positive human stool samples were used to create the rings, whenever no pigs were positive. From June 2018 to October 2019, four samplings, followed by ring treatments were conducted. Between 84% and 91% of the willing people provided a stool sample, covering 46% to 59% of the total population living in the study area. Between 78% and 100% of the eligible pigs got sampled. Three ring treatments were based on porcine seropositivity and one on taeniosis results. Two to four rings were opened per sampling. During the ring treatments, between 89% and 100% of the eligible human and pig population living within a ring was treated. Conclusions: Participants were willing to participate and get treatment, once the rings were opened. However, the utility of ring treatment approaches in a post elimination setting needs further evaluation, given the lack of highly accurate diagnostic tools for porcine cysticercosis and the challenges in obtaining stool samples. The ring treatment approach adopted should be further improved before recommendations to public health authorities can be given. Author summary: In this study, we looked at whether a method used to control the spread of the pork tapeworm, a parasite transmitted between pig and people, in Peru could also work in Zambia. The method involved treating people and pigs living near animals infected with tapewormlarvae. We conducted the study in a community where the spread of the parasite via infected meat had been successfully stopped. Every few months, we sampled pigs and people in the area and treated those who were found to be infected or at risk. If a pig tested positive for the parasite, everyone within 50 meters of that pig was treated. Between June 2018 and October 2019, we did four rounds of sampling and treatment. Most people were willing to provide stool samples, and a large percentage of pigs were sampled as well. During treatment, most eligible people and pigs within the affected area received treatment. The study found that people were willing to participate and get treated once the treatment rings were set up. However, there are challenges with accurately diagnosing the parasite in pigs and getting stool samples from people. Before recommending this method to health authorities, further improvements are needed. [ABSTRACT FROM AUTHOR]

Published
2024
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19. Effectiveness of health education in improving knowledge, attitude and practice related to foodborne zoonotic trematodes in Vietnam, with a particular focus on Clonorchis sinensis

Author

Nguyen, Thao Thi Bich, primary, Bui, Dung Thi, additional, Losson, Bertrand, additional, Dahma, Hafid, additional, Nguyen, Anh Thi Tuyet, additional, Nhu, Hung Van, additional, Do, Dung Trung, additional, Dorny, Pierre, additional, Vandenberg, Olivier, additional, and Dermauw, Veronique, additional

Published
2024
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21. Fasciola spp. in Southeast Asia: A systematic review

Author

Hoang Quang, Vinh, primary, Levecke, Bruno, additional, Do Trung, Dung, additional, Devleesschauwer, Brecht, additional, Vu Thi Lam, Binh, additional, Goossens, Kathy, additional, Polman, Katja, additional, Callens, Steven, additional, Dorny, Pierre, additional, and Dermauw, Veronique, additional

Published
2024
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30. Effectiveness of a community-based educational programme in reducing the cumulative incidence and prevalence of human Taenia solium cysticercosis in Burkina Faso in 2011–14 (EFECAB): a cluster-randomised controlled trial

Author

Carabin, Hélène, Millogo, Athanase, Ngowi, Helena A, Bauer, Cici, Dermauw, Veronique, Koné, Assana Cissé, Sahlu, Ida, Salvator, Alicia L, Preux, Pierre-Marie, Somé, Télesphore, Tarnagda, Zékiba, Gabriël, Sarah, Cissé, Rabiou, Ouédraogo, Jean-Bosco, Cowan, Linda D, Boncoeur-Martel, Marie-Paule, Dorny, Pierre, and Ganaba, Rasmané

Published
2018
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32. Evaluation of a point-of-care test for the diagnosis of Taenia solium neurocysticercosis in rural southern Tanzania: a diagnostic accuracy study

Author

Stelzle, Dominik, primary, Makasi, Charles E, additional, Schmidt, Veronika, additional, Van Damme, Inge, additional, Trevisan, Chiara, additional, Ruether, Charlotte, additional, Fleury, Agnès, additional, Noh, John, additional, Handali, Sukwan, additional, Dorny, Pierre, additional, Magnussen, Pascal, additional, Zulu, Gideon, additional, Mwape, Kabemba E, additional, Bottieau, Emmanuel, additional, Gabriël, Sarah, additional, Ngowi, Bernard J, additional, Winkler, Andrea S, additional, Chabala, Chishala, additional, Mubanga, Chishimba, additional, Jansen, Famke, additional, Phiri, Isaac K., additional, and Mambo, Richard, additional

Published
2023
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34. Autochthonous Human Fascioliasis, Belgium

Author

Milas, Sandrine, Rossi, Camelia, Philippart, Ivan, Dorny, Pierre, and Bottieau, Emmanuel

Subjects
Triclabendazole -- Health aspects, Fluke infections -- Health aspects, Waterborne infections -- Health aspects, Floods, Vegetables, Health
Abstract

Human fascioliasis (HF) is a plantbome and waterborne infection caused by the trematodes Fasciola hepatica in temperate areas and F. gigantica in tropical areas (2,2). Fasciola spp. trematodes infect herbivorous [...]

Published
2020
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40. An investigation into Toxoplasma gondii at the human-livestock-wildlife interface, South Africa.

Author

Bokaba, Refilwe P., Dermauw, Veronique, Morar-Leather, Darshana, Dorny, Pierre, van Schalkwyk, Louis, and Neves, Luis

Abstract

Interface areas shared by humans, domestic and wild animals may serve as high transmission contexts for Toxoplasma gondii. However, knowledge about the epidemiology of T. gondii in such areas is currently limited. The present study assessed the seroprevalence of T. gondii in different hosts from Mpumalanga, South Africa. Furthermore, we investigated the local knowledge and related practices about T. gondii by conducting a questionnaire study in the community. Blood samples were obtained and analysed for T. gondii antibodies using a commercial multispecies latex agglutination kit. The seroprevalence detected in humans (n = 160; patients showing signs of acute febrile illness), cats (n = 9), chickens (n = 336) and goats (n = 358) was 8.8%, 0.0%, 4.2% and 11.2%, respectively. Seroprevalence in impalas (n = 97), kudus (n = 55), wild dogs (n = 54), wildebeests (n = 43), warthogs (n = 97) and zebras (n = 68) was calculated at 5.2%, 7.3%, 100.0%, 20.9%, 13.4% and 9.1%, respectively. The questionnaire revealed that 63.0% of household owners were subsistence farmers, and 35.9% were pet owners. A high level of female participation was found (75.3%) when compared to male participation (24.7%). The results show a low circulation of T. gondii in the domestic cycle and suggest the presence of possible bridges between the wildlife cycle and the surrounding domestic cycle. Contribution: The study contributes to identifying transmission patterns and risk factors of T. gondii within human and animal populations. This topic fits within the scope of the journal presenting original research in veterinary science, with the focus on wild and domestic populations on the African continent on a topic of universal importance. [ABSTRACT FROM AUTHOR]

Published
2024
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41. Consistent Measurement of Parasite-Specific Antigen Levels in Sera of Patients with Neurocysticercosis Using Two Different Monoclonal Antibody (mAb)-Based Enzyme-Linked Immunosorbent Assays

Author

Castillo, Yesenia, primary, Toribio, Luz M., additional, Guzman, Carolina, additional, Arroyo, Gianfranco, additional, Espinoza, Cindy, additional, Saavedra, Herbert, additional, Bustos, Javier A., additional, Dorny, Pierre, additional, O’Neal, Seth E., additional, and Garcia, Hector H., additional

Published
2023
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43. Geostatistical analysis of active human cysticercosis:Results of a large-scale study in 60 villages in Burkina Faso

Author

Alvarez Rojas, Cristian A., Dermauw, Veronique, Van De Vijver, Ellen, Dorny, Pierre, Giorgi, Emanuele, Ganaba, Rasmané, Millogo, Athanase, Tarnagda, Zékiba, Cissé, Assana Kone, Carabin, Hélène, Alvarez Rojas, Cristian A., Dermauw, Veronique, Van De Vijver, Ellen, Dorny, Pierre, Giorgi, Emanuele, Ganaba, Rasmané, Millogo, Athanase, Tarnagda, Zékiba, Cissé, Assana Kone, and Carabin, Hélène

Abstract

Cysticercosis is a neglected tropical disease caused by the larval stage of the zoonotic tapeworm (Taenia solium). While there is a clear spatial component in the occurrence of the parasite, no geostatistical analysis of active human cysticercosis has been conducted yet, nor has such an analysis been conducted for Sub-Saharan Africa, albeit relevant for guiding prevention and control strategies. The goal of this study was to conduct a geostatistical analysis of active human cysticercosis, using data from the baseline cross-sectional component of a large-scale study in 60 villages in Burkina Faso. The outcome was the prevalence of active human cysticercosis (hCC), determined using the B158/B60 Ag-ELISA, while various environmental variables linked with the transmission and spread of the disease were explored as potential explanatory variables for the spatial distribution of T. solium. A generalized linear geostatistical model (GLGM) was run, and prediction maps were generated. Analyses were conducted using data generated at two levels: individual participant data and grouped village data. The best model was selected using a backward variable selection procedure and models were compared using likelihood ratio testing. The best individual-level GLGM included precipitation (increasing values were associated with an increased odds of positive test result), distance to the nearest river (decreased odds) and night land temperature (decreased odds) as predictors for active hCC, whereas the village-level GLGM only retained precipitation and distance to the nearest river. The range of spatial correlation was estimated at 45.0 [95%CI: 34.3; 57.8] meters and 28.2 [95%CI: 14.0; 56.2] km for the individual- and village-level datasets, respectively. Individual- and village-level GLGM unravelled large areas with active hCC predicted prevalence estimates of at least 4% in the south-east, the extreme south, and north-west of the study area, while patches of prevalence estimates below

Published
2023

44. Clinical characteristics and management of neurocysticercosis patients: a retrospective assessment of case reports from Europe

Author

Stelzle, Dominik, Stelzle, Dominik, Abraham, Annette, Kaminski, Miriam, Schmidt, Veronika, De Meijere, Robert, Bustos, Javier A, Garcia, Hector Hugo, Sahu, Priyadarshi Soumyaranjan, Bobić, Branko, Cretu, Carmen, Chiodini, Peter, Dermauw, Veronique, Devleesschauwer, Brecht, Dorny, Pierre, Fonseca, Ana, Gabriël, Sarah, Morales, Maria Ángeles Gómez, Laranjo-González, Minerva, Hoerauf, Achim, Hunter, Ewan, Jambou, Ronan, Jurhar-Pavlova, Maja, Reiter-Owona, Ingrid, Sotiraki, Smaragda, Trevisan, Chiara, Vilhena, Manuela, Walker, Naomi F, Zammarchi, Lorenzo, Winkler, Andrea Sylvia, Stelzle, Dominik, Stelzle, Dominik, Abraham, Annette, Kaminski, Miriam, Schmidt, Veronika, De Meijere, Robert, Bustos, Javier A, Garcia, Hector Hugo, Sahu, Priyadarshi Soumyaranjan, Bobić, Branko, Cretu, Carmen, Chiodini, Peter, Dermauw, Veronique, Devleesschauwer, Brecht, Dorny, Pierre, Fonseca, Ana, Gabriël, Sarah, Morales, Maria Ángeles Gómez, Laranjo-González, Minerva, Hoerauf, Achim, Hunter, Ewan, Jambou, Ronan, Jurhar-Pavlova, Maja, Reiter-Owona, Ingrid, Sotiraki, Smaragda, Trevisan, Chiara, Vilhena, Manuela, Walker, Naomi F, Zammarchi, Lorenzo, and Winkler, Andrea Sylvia

Abstract

Objectives: Neurocysticercosis (NCC) is a parasitic disease caused by the larval stage of the tapeworm Taenia solium. NCC mainly occurs in Africa, Latin America and South-East Asia and can cause a variety of clinical signs/symptoms. Although it is a rare disease in Europe, it should nonetheless be considered as a differential diagnosis. The aim of this study was to describe clinical characteristics and management of patients with NCC diagnosed and treated in Europe. Methods: We conducted a systematic search of published and unpublished data on patients diagnosed with NCC in Europe (2000–2019) and extracted demographic, clinical and radiological information on each case, if available. Results: Out of 293 identified NCC cases, 59% of patients presented initially with epileptic seizures (21% focal onset); 52% presented with headache and 54% had other neurological signs/symptoms. The majority of patients had a travel or migration history (76%), mostly from/to Latin America (38%), Africa (32%) or Asia (30%). Treatment varied largely depending on cyst location and number. The outcome was favorable in 90% of the cases. Conclusions: Management of NCC in Europe varied considerably but often had a good outcome. Travel and migration to and from areas endemic for T. solium will likely result in continued low prevalence of NCC in Europe.Therefore, training and guidance of clinicians is recommended for optimal patient management.

Published
2023

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