This cross sectional study in Aswan Governorate determined the prevalence of intestinal parasites and to identify the risk factors for infection in primary school children in this geographical
area. The results would facilitate evaluation of the endemic level of different intestinal parasites
and the determination of whether widespread or focal measures of parasite control are required.
After obtaining official permission from the school administration, information and consent
forms were given to the parents of all the schoolchildren. They were three-hundreds children
aged between 6-12 year were enrolled; a detailed questionnaire, complete clinical assessment complete as well as stool analysis was done The study showed that the over-all infection
was 31%, single parasitic infection was 26% and mixed one was 5%.The commonest helminthic
infection was E. vermicularis 6.6% followed by H. nana 3% Ascaris lumbricoides1%. The
commonest protozoa infection was E. histolytica 8.3% followed by Giardia lamblia 3.7% and
Cryptosporidium parvum 1.7%. Mixed infection was E. vermicularis plus E. histolytica (23.4%),
E vermicularis plus G. lamblia (17.6%), E. vermicularis plus C. parvum (11.8%), E. histolytica
plus H. nana (11.85%), A. lumbricoides plus E. histolytica (17.6%) and G. lamblia plus E. histolytica in (11.8%). Parasitic infection was more prevalent in boys (53.8%) than girls (46.2%) and
more prevalent in rural children (39.73%) than urban ones (20.13%) among age ranged from 6 to
12 years (8.97±1.72)