Background: The present study was carried out for determination of prevalence of cryptosporidiosis among infected children in Khooram-Abad city, Iran, 2002-2003.
Materials and Methods: In this survey fecal samples of both rural and urban children were studied.
Results & Conclusion: From all samples, 4.75% were infected. The infection rate was higher in summer and autumn. Also the results showed that the infection rate in Khooram-Abad was higher than Shiraz (3.5%), Bandarabbas (2.4%), Ahwaz (2.23%) and Rasht (1.57%) and the infection rate about equlity Ghazvin (4.75%) and Hamadan (5.3%) and lower than Isfahan (16.9%), Mashhad (14.6%), Urmia (105), Naghadeh (9.2%) and Tabriz (6.15%). Our observations indicated that the infection rate was higher in males (1.5%), equal between rural and urban children. Another finding was accompanying of cryptosporidiosis with some other infections like Shigellosis (15.7%) and giardiosis (5.26%) in some cases.