Prevalence and intensity of infection with third stage larvae of Angiostrongylus cantonensis in mollusks from Northeast Thailand
Files
(Published version)
Date
2009
Authors
Tesana, S.
Srisawangwong, T.
Sithithaworn, P.
Laha, T.
Andrews, R.
Editors
Advisors
Journal Title
Journal ISSN
Volume Title
Type:
Journal article
Citation
American Journal of Tropical Medicine and Hygiene, 2009; 80(6):983-987
Statement of Responsibility
Conference Name
Abstract
Prevalences and intensity of infection with Angiostrongylus cantonensis third stage larvae were examined in mollusks to determine whether they are potential intermediate hosts in eight provinces, northeast Thailand. Mollusk samples were collected from 24 reservoirs (3 reservoirs/province) in close to human cases during the previous year. Six out of 24 localities and 9 (3 new record species) out of 27 species were found with the infection. The highest intensity in infected species was found to be only one or two snails, whereas the majority had very low or no infection. The highest density was found in Pila pesmei and the lowest in Pila polita. The edible snails, P. polita, P. pesmei, and Hemiplecta distincta have the potential to transmit A. cantonensis to man. The varying density levels of larvae in infected snails may reflect observed variation in symptoms of people who traditionally eat a raw snail dish.
School/Discipline
Dissertation Note
Provenance
Description
Access Status
Rights
Copyright 2009 American Society of Tropical Medicine and Hygiene