Do Cryptic Reservoirs Threaten Gambiense-Sleeping Sickness Elimination?
Trypanosoma brucei gambiense causes human African trypanosomiasis (HAT). Between 1990 and 2015, almost 440000 cases were reported. Large-scale screening of populations at risk, drug donations, and efforts by national and international stakeholders have brought the epidemic under control with
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| Veröffentlicht in: | Trends in parasitology 2018-03, Vol.34 (3), p.197-207 |
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| creator | Büscher, Philippe Bart, Jean-Mathieu Boelaert, Marleen Bucheton, Bruno Cecchi, Giuliano Chitnis, Nakul Courtin, David Figueiredo, Luisa M. Franco, José-Ramon Grébaut, Pascal Hasker, Epco Ilboudo, Hamidou Jamonneau, Vincent Koffi, Mathurin Lejon, Veerle MacLeod, Annette Masumu, Justin Matovu, Enock Mattioli, Raffaele Noyes, Harry Picado, Albert Rock, Kat S. Rotureau, Brice Simo, Gustave Thévenon, Sophie Trindade, Sandra Truc, Philippe Van Reet, Nick |
| description | Trypanosoma brucei gambiense causes human African trypanosomiasis (HAT). Between 1990 and 2015, almost 440000 cases were reported. Large-scale screening of populations at risk, drug donations, and efforts by national and international stakeholders have brought the epidemic under control with |
| doi_str_mv | 10.1016/j.pt.2017.11.008 |
| format | Article |
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gambiense-HAT is targeted for elimination with zero transmission in humans.
Innovative tools may contribute to the achievement of elimination; these tools include rapid diagnostic tests, improved tsetse-control tools, and an oral drug to treat both stages of disease.
Research is revealing associations between infection outcome, including self-cure, and mutations within genes involved in immune responses.
Patient-derived T. b. gambiense strains can cycle in animals and tsetse flies without losing infectivity to humans. Molecular and serological techniques facilitate new studies on naturally infected animals as putative reservoir hosts.
Mathematical modelling supports the hypothesis that human or animal reservoirs drive transmission, and they, or the tsetse vectors, could be targeted to swiftly impact transmission. Ongoing modelling will assess possible recrudescence via reservoirs.</description><identifier>ISSN: 1471-4922</identifier><identifier>EISSN: 1471-5007</identifier><identifier>DOI: 10.1016/j.pt.2017.11.008</identifier><identifier>PMID: 29396200</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>African trypanosomiasis ; Animals ; at-risk population ; Disease Eradication ; Disease Reservoirs ; drugs ; elimination ; epidemiology ; human African trypanosomiasis ; human diseases ; Humans ; Life Sciences ; Microbiology and Parasitology ; Parasitology ; public health ; reservoir ; Risk Factors ; screening ; sleeping sickness ; transmission ; Trypanosoma brucei gambiense ; Trypanosoma brucei gambiense - physiology ; Trypanosoma gambiense ; Trypanosomiasis, African - epidemiology ; Trypanosomiasis, African - parasitology ; Trypanosomiasis, African - prevention & control ; Trypanosomiasis, African - transmission ; World Health Organization</subject><ispartof>Trends in parasitology, 2018-03, Vol.34 (3), p.197-207</ispartof><rights>2017 The Authors</rights><rights>Copyright © 2017 Elsevier Ltd. All rights reserved.</rights><rights>Attribution</rights><rights>2017 The Authors 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c518t-19167b1756e64524b0c45ace18cddc59e8b4f20e69a9f677c19e879761f89bfa3</citedby><cites>FETCH-LOGICAL-c518t-19167b1756e64524b0c45ace18cddc59e8b4f20e69a9f677c19e879761f89bfa3</cites><orcidid>0000-0003-0671-8999 ; 0000-0002-5263-4430 ; 0000-0002-6413-7298</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1471492217302829$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29396200$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://pasteur.hal.science/pasteur-01849812$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Büscher, Philippe</creatorcontrib><creatorcontrib>Bart, Jean-Mathieu</creatorcontrib><creatorcontrib>Boelaert, Marleen</creatorcontrib><creatorcontrib>Bucheton, Bruno</creatorcontrib><creatorcontrib>Cecchi, Giuliano</creatorcontrib><creatorcontrib>Chitnis, Nakul</creatorcontrib><creatorcontrib>Courtin, David</creatorcontrib><creatorcontrib>Figueiredo, Luisa M.</creatorcontrib><creatorcontrib>Franco, José-Ramon</creatorcontrib><creatorcontrib>Grébaut, Pascal</creatorcontrib><creatorcontrib>Hasker, Epco</creatorcontrib><creatorcontrib>Ilboudo, Hamidou</creatorcontrib><creatorcontrib>Jamonneau, Vincent</creatorcontrib><creatorcontrib>Koffi, Mathurin</creatorcontrib><creatorcontrib>Lejon, Veerle</creatorcontrib><creatorcontrib>MacLeod, Annette</creatorcontrib><creatorcontrib>Masumu, Justin</creatorcontrib><creatorcontrib>Matovu, Enock</creatorcontrib><creatorcontrib>Mattioli, Raffaele</creatorcontrib><creatorcontrib>Noyes, Harry</creatorcontrib><creatorcontrib>Picado, Albert</creatorcontrib><creatorcontrib>Rock, Kat S.</creatorcontrib><creatorcontrib>Rotureau, Brice</creatorcontrib><creatorcontrib>Simo, Gustave</creatorcontrib><creatorcontrib>Thévenon, Sophie</creatorcontrib><creatorcontrib>Trindade, Sandra</creatorcontrib><creatorcontrib>Truc, Philippe</creatorcontrib><creatorcontrib>Van Reet, Nick</creatorcontrib><creatorcontrib>Informal Expert Group on Gambiense HAT Reservoirs</creatorcontrib><title>Do Cryptic Reservoirs Threaten Gambiense-Sleeping Sickness Elimination?</title><title>Trends in parasitology</title><addtitle>Trends Parasitol</addtitle><description>Trypanosoma brucei gambiense causes human African trypanosomiasis (HAT). Between 1990 and 2015, almost 440000 cases were reported. Large-scale screening of populations at risk, drug donations, and efforts by national and international stakeholders have brought the epidemic under control with <2200 cases in 2016. The World Health Organization (WHO) has set the goals of gambiense-HAT elimination as a public health problem for 2020, and of interruption of transmission to humans for 2030. Latent human infections and possible animal reservoirs may challenge these goals. It remains largely unknown whether, and to what extend, they have an impact on gambiense-HAT transmission. We argue that a better understanding of the contribution of human and putative animal reservoirs to gambiense-HAT epidemiology is mandatory to inform elimination strategies.
gambiense-HAT is targeted for elimination with zero transmission in humans.
Innovative tools may contribute to the achievement of elimination; these tools include rapid diagnostic tests, improved tsetse-control tools, and an oral drug to treat both stages of disease.
Research is revealing associations between infection outcome, including self-cure, and mutations within genes involved in immune responses.
Patient-derived T. b. gambiense strains can cycle in animals and tsetse flies without losing infectivity to humans. Molecular and serological techniques facilitate new studies on naturally infected animals as putative reservoir hosts.
Mathematical modelling supports the hypothesis that human or animal reservoirs drive transmission, and they, or the tsetse vectors, could be targeted to swiftly impact transmission. Ongoing modelling will assess possible recrudescence via reservoirs.</description><subject>African trypanosomiasis</subject><subject>Animals</subject><subject>at-risk population</subject><subject>Disease Eradication</subject><subject>Disease Reservoirs</subject><subject>drugs</subject><subject>elimination</subject><subject>epidemiology</subject><subject>human African trypanosomiasis</subject><subject>human diseases</subject><subject>Humans</subject><subject>Life Sciences</subject><subject>Microbiology and Parasitology</subject><subject>Parasitology</subject><subject>public health</subject><subject>reservoir</subject><subject>Risk Factors</subject><subject>screening</subject><subject>sleeping sickness</subject><subject>transmission</subject><subject>Trypanosoma brucei gambiense</subject><subject>Trypanosoma brucei gambiense - physiology</subject><subject>Trypanosoma gambiense</subject><subject>Trypanosomiasis, African - epidemiology</subject><subject>Trypanosomiasis, African - parasitology</subject><subject>Trypanosomiasis, African - 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Between 1990 and 2015, almost 440000 cases were reported. Large-scale screening of populations at risk, drug donations, and efforts by national and international stakeholders have brought the epidemic under control with <2200 cases in 2016. The World Health Organization (WHO) has set the goals of gambiense-HAT elimination as a public health problem for 2020, and of interruption of transmission to humans for 2030. Latent human infections and possible animal reservoirs may challenge these goals. It remains largely unknown whether, and to what extend, they have an impact on gambiense-HAT transmission. We argue that a better understanding of the contribution of human and putative animal reservoirs to gambiense-HAT epidemiology is mandatory to inform elimination strategies.
gambiense-HAT is targeted for elimination with zero transmission in humans.
Innovative tools may contribute to the achievement of elimination; these tools include rapid diagnostic tests, improved tsetse-control tools, and an oral drug to treat both stages of disease.
Research is revealing associations between infection outcome, including self-cure, and mutations within genes involved in immune responses.
Patient-derived T. b. gambiense strains can cycle in animals and tsetse flies without losing infectivity to humans. Molecular and serological techniques facilitate new studies on naturally infected animals as putative reservoir hosts.
Mathematical modelling supports the hypothesis that human or animal reservoirs drive transmission, and they, or the tsetse vectors, could be targeted to swiftly impact transmission. Ongoing modelling will assess possible recrudescence via reservoirs.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>29396200</pmid><doi>10.1016/j.pt.2017.11.008</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-0671-8999</orcidid><orcidid>https://orcid.org/0000-0002-5263-4430</orcidid><orcidid>https://orcid.org/0000-0002-6413-7298</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Trends in parasitology, 2018-03, Vol.34 (3), p.197-207 |
| issn | 1471-4922 1471-5007 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | African trypanosomiasis Animals at-risk population Disease Eradication Disease Reservoirs drugs elimination epidemiology human African trypanosomiasis human diseases Humans Life Sciences Microbiology and Parasitology Parasitology public health reservoir Risk Factors screening sleeping sickness transmission Trypanosoma brucei gambiense Trypanosoma brucei gambiense - physiology Trypanosoma gambiense Trypanosomiasis, African - epidemiology Trypanosomiasis, African - parasitology Trypanosomiasis, African - prevention & control Trypanosomiasis, African - transmission World Health Organization |
| title | Do Cryptic Reservoirs Threaten Gambiense-Sleeping Sickness Elimination? |
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