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Title: A Cross-Sectional Study of Taenia solium in a Multiple Taeniid-Endemic Region Reveals Competition May be Protective
Authors: Conlan, JV; Vongxay, K; Khamlome, B; Dorny, P; Sripa, B; Elliot, A; Blacksell, SD; Fenwick, S; Thompson, RCA
Keywords: LAO PDR; SOUTHEAST-ASIA; SAGINATA CYSTICERCOSIS; INTESTINAL PARASITE; HELMINTH INFECTIONS; NORTH VIETNAM; EPIDEMIOLOGY; PREVALENCE; HEALTH; ECHINOCOCCOSIS
Issue Date: 2012
Publisher: AM J TROP MED HYG
Citation: Am. J. Trop. Med. Hyg.;AUG;2012;87;2
Abstract: We conducted cross-sectional surveys for taeniasis and cysticercosis in humans, pigs, and dogs in four northern provinces of Laos. Human cysticercosis 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 residence was a significant risk factor for cystiercosis. Thirty-five human 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.
URI: http://hdl.handle.net/11267/2529
ISSN: 0002-9637

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