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About 400 million school-age children are infected with roundworm, whipworm and hookworm worldwide. This study aims to assess prevalence of parasitic infections among rural primary school pupils at Minia Governorate, Egypt, and to identify relevant predisposing factors of the school and pupils to intestinal parasitic infections. A total of 264 pupils out of 1053, aged 6-12 years, were randomly selected for parasitological investigation and the school was inspected on site for sanitary facilities and conditions of hygiene, as well as the conditions of hygiene of the pupils. The pupils were examined for ova, cysts and/or larvae of intestinal parasites using direct wet mount and formal-ether concentration techniques. Inspection of sanitary facilities and the conditions of hygiene of the school, as well pupil's conditions of hygiene, were carried out through observation checklists. Findings revealed the following intestinal parasites: Entamoeba coli (in 19.3% of pupils), Ascaris lumbricoides (3.8%), Hymenolepiasis nana (12.5%), Enterobious vermicularis (5.7%) and Giardia lamblia (12.5%), with varying percentages between male and female pupils, and a highly statistical association between pupil sex and type of parasites (P<0.001). Unapproved sanitary facilities and conditions of hygiene of the school and pupils were observed. Many intestinal parasitic infections among the primary school pupils were found. Unapproved and low inventory school sanitary facilities were observed, in addition to poor conditions of hygiene of pupils which may play a crucial role in these infections. The school facilities and sanitary conditions, especially the quality of water in the toilets, should be improved. Pupils and school personnel have a real need for health education about modes of transmission and preventive methods of intestinal parasitic infections.
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