Study of Prevalences of Giardia Lamblia in a Missan Governorate

This study was done during the period from October-2016 to end of March-2017,  to study the prevalence of Giardia lamblia among patientswith diarrhea. The number of examined samples of feces was 304.These samples taken from patients complain from diarrhea those attending General Hospital ofMissan & some Primary Health Care Centers, at the age of infant to 50 years.These  samples examined by Direct wet film preparation (by using Normal saline & Lugol siodine solution) & Examination of Sedment. The results of existing study as follow:   The percentage of total infection of intestinal parasites during this study showedthat the number of males slightly more than females. Nonsignificant differences found among percentage of total infection of intestinal parasites under study,while significant differences found among patients lives in rural & urban area. High prevalence of parasitic infection was occurred in Winter. Significant difference found among percentages of total infection of intestinal parasites in different ages.