From December 1990 to June 1992 in Ahwaz, capital of Khoozestan province, 1333 patients referred to Khoozestan Parasitology Center, in 29 cases of whom Cryptosporidium pallium was detected. All infected patients were less than eight years of age. The parasite was most prevalent in the 0-1 year old age group. Though some C. parVlIl1l infected cases harboured Giardia lamblia, there was no rel...