The effect of levamisole chemotherapy on geohelminthiasis among children aged 6-12 years - Freetown; Sierra Leone

The therapeutic effect of levamisole (ketrax) in 28 children aged 6-12 years old living in Freetown; Sierra Leone against ascaris lumbricoides; hookworm and trichuris trichiura infections was investigated. Levamisole effectively reduced the intensity of all three infections. Prevalence returned more rapidly to pre-treatment levels than did intensity. A lumbricoides was found to be the most sensitive to the drug followed by hookworm. Although prevalence of T. trichiura rose by day 56 in each course there was reduction in eggs per gram of stool (e.p.g.). There were no side effects reported throughout the study

Identification of necator americanus from a community in Bo; Southern Province; Sierra Leone

Fifty clinically anaemic children aged 6-9 years old were selected in the Bo; Southern Province; Sierra Leone during April 1990. All had their stools examined for stages of intestinal helminth infections. Twenty-one were judged to be positive for hookworm on the detection of eggs in stools. After treatment with lavemisole; 48 hour stool collections were performed on 15 of the heavily infected children. Adult hookworms were isolated from the specimens of 7 individuals; and preserved in 10 per cent aqueous formalin solution. the worms were later examined microscopically and shown to possess ventral cutting plates; fused and bared spicules; and a bifid nature of the tips of the dorsal rays of the male bursa; confirming their identification as necator americanus

The Pattern of human intestinal helminth infections in farming communities in different parts of Ondo State; Nigeria

Faecal samples collected from people inhabiting project areas of Owena river basin and rural development authority at Okitipupa; Akure Ifon and Ajowa which are located in different geographical areas of Ondo State; Nigeria; were examined for helminth ova and larvae. Ascaris and trichuris are the common worms which were seen