survey of intestinal protozoan and helminth parasites in Karachi

A survey for information on human intestinal protozoa and helminths was conducted during November, 1978 to September, 1979 in certain area of Karachi. During this survey a total of 3,249 fecal samples were examined, the intensity of infection during different seasons was observed and It was found out that Entamoeba histolytica infection was prevailing throughout this period irrespective of seasonal variations. Other infections present were Entamoeba coli; Giardia lamblia; Trichuris trichiuria; Ancylostoma duodenale; Enterobius vermicularis; Ascaris lumbrlcoides; Hymenoiepis nana and Taenia saginata