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Title: Toward integrated opisthorchiasis control in northeast Thailand: The Lawa project
Authors: Banchob Sripa
Sirikachorn Tangkawattana
Thewarach Laha
Sasithorn Kaewkes
Frank F. Mallory
John F. Smith
Bruce A. Wilcox
Khon Kaen University
Laurentian University
Mahidol University
Tufts University
Keywords: Immunology and Microbiology;Medicine
Issue Date: 1-Jan-2015
Citation: Acta Tropica. Vol.141, No.Part B (2015), 361-367
Abstract: © 2014 Elsevier B.V. Human liver fluke, Opisthorchis viverrini, a food-borne trematode is a significant public health problem in Southeast Asia, particularly in Thailand. Despite a long history of control programmes in Thailand and a nationwide reduction, O. viverrini infection prevalence remains high in the northeastern provinces. Therefore, a new strategy for controlling the liver fluke infection using the EcoHealth/One Health approach was introduced into the Lawa Lake area in Khon Kaen province where the liver fluke is endemic. A programme has been carried using anthelminthic treatment, novel intensive health education methods both in the communities and in schools, ecosystem monitoring and active community participation. As a result, the infection rate in the more than 10 villages surrounding the lake has declined to approximate one third of the average of 50% as estimated by a baseline survey. Strikingly, the Cyprinoid fish species in the lake, which are the intermediate host, now showed less than 1% prevalence compared to a maximum of 70% at baseline. This liver fluke control programme, named "Lawa model," is now recognised nationally and internationally, and being expanding to other parts of Thailand and neighbouring Mekong countries. Challenges to O. viverrini disease control, and lessons learned in developing an integrative control programme using a community-based, ecosystem approach, and scaling-up regionally based on Lawa as a model are described.
ISSN: 18736254
Appears in Collections:Scopus 2011-2015

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