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A cross-sectional study of Taenia solium in a multiple taeniid-endemic region reveals competition may be protective

Conlan, J.V., Vongxay, K., Khamlome, B., Dorny, P., Sripa, B., Elliot, A., Blacksell, S.D., Fenwick, S. and Thompson, R.C.A. (2012) A cross-sectional study of Taenia solium in a multiple taeniid-endemic region reveals competition may be protective. American Journal of Tropical Medicine and Hygiene, 87 (2). pp. 281-291.

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Link to Published Version: http://dx.doi.org/10.4269/ajtmh.2012.11-0106
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Abstract

We conducted cross-sectional surveys for taeniasis and cysticercosis in humans, pigs, and dogs in four northern provinces of Laos. Humancysticercosis and taeniasis prevalence was 2.2% (95%confidence interval [CI] = 1.4-3.0%) and 8.4% (95% CI = 6.9-9.9%), respectively. Eating uncooked beef, being male, province of residence, age, and ethnicity were significant risk factors for taeniasis and only province of residencewas a significant risk factor for cystiercosis. Thirty-fivehuman tapeworms were recovered during the survey and 33 (94.3%) and 2 (5.7%) were identified as Taenia saginata and T. solium, respectively. Maximum-likelihood adjusted prevalence of T. solium and T. hydatigena in pigs was 4.2% (95% CI = 0.5-7.9%) and 55.9% (95% CI = 47.5-64.3%), respectively, and T. hydatigena taeniasis in dogs was 4.8% (95% CI = 0.0-11.3%). Taenia hydatigena and T. saginata were the most prevalent taeniids in the respective pig and human populations and together may suppress T. solium transmission.

Publication Type: Journal Article
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Publisher: American Society of Tropical Medicine and Hygiene
Copyright: © 2012 by The American Society of Tropical Medicine and Hygiene
URI: http://researchrepository.murdoch.edu.au/id/eprint/10184
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