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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/34786
Title: Patterns and Risks of Trichinella Infection in Humans and Pigs in Northern Laos
Authors: James V. Conlan
Khamphouth Vongxay
Boualam Khamlome
Maria Angeles Gomez-Morales
Edoardo Pozio
Stuart D. Blacksell
Stanley Fenwick
R. C.A. Thompson
Murdoch University
Ministry of Agriculture and Forestry
Ministry of Health
Istituto Superiore Di Sanita, Rome
Mahidol University
Churchill Hospital
Keywords: Medicine
Issue Date: 1-Jan-2014
Citation: PLoS Neglected Tropical Diseases. Vol.8, No.7 (2014)
Abstract: Several outbreaks of trichinellosis associated with the consumption of raw pork have occurred in Laos since 2004. This crosssectional study was conducted in four provinces of northern Laos to investigate the seroepidemiology of trichinellosis in the human population and determine the prevalence and species of Trichinella infection in the domestic pig population. Serum samples and questionnaire data were obtained from 1419 individuals. Serum samples were tested for Trichinella antibodies by ELISA using larval excretory-secretory (ES) antigens and a subset of 68 positive samples were tested by western blot. The seroprevalence of Trichinella antibodies was 19.1% (95% confidence interval (CI) = 17.1-21.1%). The risk of having antibodies detected by ELISA using ES antigens increased with age, being of Lao-Tai ethnicity, living in Oudomxay province and being male. Tongue and diaphragm muscle samples were collected from 728 pigs and tested for Trichinella larvae by the artificial digestion method. Trichinella larvae were isolated from 15 pigs (2.1%) of which 13 were identified as T. spiralis by molecular typing; the species of the two remaining isolates could not be determined due to DNA degradation. Trichinella spp. are endemic in the domestic environment of northern Laos and targeted preventative health measures should be initiated to reduce the risk of further outbreaks occurring. © 2014 Conlan et al.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84905454813&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/34786
ISSN: 19352735
19352727
Appears in Collections:Scopus 2011-2015

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