| human onchocerciasis in the lower jos plateau, central nigeria: the prevalence, geographical distribution and epidemiology in akwanga and lafia local government areas. | an investigation of human infection with onchocerca volvulus and the resulting clinical disease was carried out for the nigerian national onchocerciasis control programme between july and august 1989 [corrected]. the survey covered 10.6% of the rural population in 41 savanna villages of central nigeria. of the 8451 self-selected individuals examined, 900 (10.6%) had skin microfilariae (mf). there were differences between villages in both endemicity and intensity of infection, but in general the ... | 1992 | 1304706 |