Stool examined for presence of nematodes from 467 school students in Dacca city showed 58%ova positive case Swith 22%among them cases of mixed nemtode infection. Highest prevalence of 58%was observed with roundworm and 5%waShookworm infestations. Among hookworm cases, Necator americana (68 %) appears to be the pr~ dominant species. Two anthelmintics-pyrante1 and…