Epidemiological study of human diarrhea- causing protozoa in Wasit governorate

The study and Laboratory examinations were performed between (January 2021 and April 2021). We conducted an epidemiological study of intestinal protozoa parasites in the Wasit governorate. The number of samples that collected 500 stool samples in the city center of Kut and Numaniah city. Samples were collected by container from both sexes male and female have the symptom of the infected protozoan parasite, and examined by microscopy with a wet smear method, use a light microscope to detect these protozoan parasites morphologically . We recorded the highest percentage of protozoan parasite infection Entamoeba histolytica (84%) and the lowest percentage of parasite infection Giardia lamblia (16%). The result of laboratory tests showed that males were infected with a higher rate (54%) and the lowest percentage of females (46%). Due to the importance of the intestinal protozoa parasites in the community, this study was encouraging due to the high infection rate