1Department of Microbiology, Faculty of Medicine; 2Faculty of Applied Medical Science; 3Faculty of Veterinary Science, Jordan University of Science and Technology, Irbid, Jordan. Received: 27/10/02; accepted: 14/09/03 ABSTRACT We investigated the rate of infection by Cryptosporidium parvum among children from birth to 12 years attending Princess Rahma Teaching Hospital in Irbid, Jordan and eval...