| 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 |
| possible transplacental transmission of onchocerca volvulus. | in a recent epidemiological study on onchocerciasis on the lower jos plateau in nigeria, a 7-month-old baby delivered by a mother suffering from onchocerciasis showed early clinical signs of the disease: pruritus was present all over the body. the infant's skin snip on incubation revealed microfilariae of onchocerca volvulus. these findings were confirmed 3 months later when the child was re-examined. no onchocercal nodule was found, but pruritus persisted. | 1990 | 2260199 |
| onchocerciasis in plateau state of nigeria. ii. the prevalence among residents around the assob river area. | a study of the prevalence of human onchocerciasis in eight villages around the assob river in jos plateau, nigeria, was undertaken between october 1983 and march 1985 using the skin-snip method. a total of 1673 individuals were examined. one hundred and eighty five (11.06%) had microfilariae of onchocerca volvulus in their skin biopsies, and of these infected people, five (2.7%) were blind. the highest prevalence rate recorded was in ngwan madaki, where 51 (26.3%) of the 194 people examined were ... | 1987 | 3675043 |