| intestinal parasitic infections in pre-school children in the niger delta. | stool specimens from 1,062 pre-school children in the niger delta were examined for the presence of intestinal parasites. of that number, 77.6% harboured one or more than one species of intestinal parasites. ascaris lumbricoides (51.9%) and trichuris trichiura (41.7%) were the most prevalent species recorded. other parasites harboured by these children included hymenolepis sp. (18.3%), giardia lamblia (9.2%), entamoeba histolytica (4.6%), strongyloides stercoralis (1.4%). hookworm, taenia sp., i ... | 1986 | 3701056 |