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Diversity of human intestinal helminthiasis in Lao PDR

Sayasone, S. and Vonghajack, Y. and Vanmany, M. and Rasphone, O. and Tesana, S. and Utzinger, J. and Akkhavong, K. and Odermatt, P.. (2009) Diversity of human intestinal helminthiasis in Lao PDR. Transactions of the Royal Society of Tropical Medicine and Hygiene, Vol. 103, H. 3. pp. 247-254.

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Official URL: http://edoc.unibas.ch/dok/A5843190

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Abstract

Food-borne trematodiasis is an emerging public health problem, including in Lao PDR. We investigated the diversity of intestinal helminthes and polyparasitism in patients with hepatobiliary or intestinal symptoms in hospital and community-based surveys. Stool samples from 232 individuals aged <or=15 years were examined by the Kato-Katz method (three samples) and a formalin ethyl-acetate concentration technique (one sample). Opisthorchis viverrini and minute intestinal flukes (MIF) were common, with prevalences of 86.2% and 62.9%, respectively. Hookworm was the predominant soil-transmitted helminth (65.9%). The prevalences of Taenia spp., Strongyloides stercoralis and Trichuris trichiura were 22.8%, 10.3% and 8.6%, respectively. Additionally, 97 individuals were purged; O. viverrini and Haplorchis taichui were found in 95 and 76 participants, respectively. Other trematodes included Phaneropsolus bonnei (22.7%), Prosthodendrium molenkampi (14.4%), Haplorchis pumilio (5.2%), Haplorchis yokogawai (3.1%) and Echinochasmus japonicus (3.1%). Co-infection with O. viverrini and MIFs was rampant (81.4%). Polytrematode infection is highly prevalent in Lao PDR and hence requires urgent attention
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Eco System Health Sciences > Health Impact Assessment (Utzinger)
UniBasel Contributors:Utzinger, Jürg and Odermatt, Peter
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Transactions of the Royal Society of Tropical Medicine and Hygiene
ISSN:0035-9203
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Sep 2012 07:18
Deposited On:14 Sep 2012 06:46

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