Parasitic infections in primary and secondary schools in Giza Governorate, Egypt.

Four primary and two secondary schools at Kafr Hakeem, El-Mansuria and Berkash villages in Imbaba district were surveyed. Urine and stool specimens of 791 students were examined. Results revealed amoebiasis (22.4%); hymenolepiasis nana (6.2%); ancylostomiasis doudenale (5.7%); ascariasis (1.5%) and enterobiasis (1.1%). Parasites transmitted by autoinfection represented 15.9% of the total infected subjects; those transmitted by the skin penetration 27.2% and by contaminated food 56.9%. There was no statistical difference between primary and secondary school students as regards the rate of infection.