Feces tests, pupils’ interview and parents’ interview of 3rd grade pupils of 5 primary schools in Yen Hung district, Quang Ninh province were conducted. The percentages of worm infection were 90-100%, percentages of ascarid infection were 79.1%, hairworm: 62.4%, and hookworm: 4.3%. KAP interview of 279 pupils and 264 parents showed the high proportions of pupils and parents known causes, harmful effects, and preventive methods of worm infections. The rate of serial worming was 98.4%
Helminths ; prevention & control ; Disease ; epidemiology

A study was conducted in 2003 in Yen Hai commune, Yen Hung distric of Quang Ninh province. A KAP survey was made by interviewing 172 household heads and 612 individuals aged  10 years. 586 stool samples were examined by Kato technique. The results: no eggs of trematode and cestode were found while the cumulative rate of nematode infection was 86% of which Ascaris infection was 82.8%; single infection of nematode was 44.8%; triple infection was 2.8%; double infection was 52.6%, mostly of Ascaris and Trichuris. 97.7% of households were found to have latrine (one or two compartments). 19.8% of household were found to still use fresh stool as fertilizer for cultivation and 99.4% received no information on helminthes infection control
Helminths ; epidemiology ; diagnosis