In September 2003, a survey on intestinal parasitosis for public primary school children was carried out in Katmandu, Nepal. A total of 147 fecal samples (from 69 male and 78 female, aged 4 to 14 years) collected at public primary school were examined for various kinds of intestinal parasite eggs. Overall, 53.1% (78/147) fecal samples were positive for one or more intestinal parasitic eggs. Sex prevalence was slightly higher in males (53.6%) compared with females (52.6%). The highest prevalence was found in young ages group of older than 12 years (66.7%), followed by youngest ages group of below 11 years (49.6%). A high prevalent rate was found for Ascaris lumbricoides (33.6%), Trichuris trchiura (21.3%) and Giardia intestinalis (11.5%)
