Enterobius vermicularis Infection among Children in Lower Northern Thailand

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Nophawan Bunchu
Apichat Vitta
Damrongpan Thongwat
Supaporn Lamlertthon
Urat Pimolsri
Puangphet Waree
Jintana Wongwigkarn
Boonruang Khamsri
Rattiya Cheewapat
Siriwan Wichai
Tusanee Meepayung
Aree Thongthung
Sittud Soypetcasem
Charunan Buapan
Polprecha Chidburee
Raxsina Polseela



The prevalence of the pinworm, Enterobius vermicularis, was determined in 4 provinces of lowernorthern Thailand (Phitsanulok, Uthai Thani, Kamphaeng Phet, and Nakhon Sawan) duringJanuary 2008-May 2010. Of the 1,131 children tested, 19.9% were positive for E. vermicularis eggsby Scotch-tape technique. The infection rate was highest among residents of Phitsanulok (25.0%),followed by Kamphaeng Phet (20.3%), Uthai Thani (17.9%), and Nakhon Sawan (13.8%). The agegroup 4-6 years had the highest positive rate. The results indicated relatively high overall infectionrates. Mass treatment and educational programs should be undertaken, to reduce re-infection inthese areas.

Keywords: Enterobius vermicularis, prevalence, children, Thailand

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