Onchocerciasis and human immunodeficiency virus in Western Uganda: Prevalences and treatment with ivermectin

P. Fischer, W. Kipp, P. Kabwa, D. W. Buttner

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11 Scopus citations


Epidemiologic investigations were made to assess the interaction between onchocerciasis and human immunodeficiency (HIV) type I infection and the efficacy of ivermectin treatment. Among 1,910 Onchocerca volvulus carriers in a hyperendemic focus, 73 (3.8%) were concurrently infected with HIV and 20 (7.2%) of 276 persons without microfilariae (mf) were HIV-seropositive. A stratified analysis showed no epidemiologic association between onchocerciasis and HIV infection. Consistently, a microfilaria density of 11.9 mf/mg of skin in HIV-positive subjects and 17.7 mf/mg in HIV-negatives ones was observed. During mass treatment of onchocerciasis with a single dose of 150 μg/kg of ivermectin, no difference of the efficacy was detected between persons with or without HIV and side effects in the two groups were similar. Even in HIV-positive persons with a reduced ratio of CD4+:CD8+ cells and reduced numbers of CD4+ cells, a significant reduction of their microfilaria density was observed after treatment with ivermectin. Thus, in HIV-endemic areas, the usual dose of ivermectin can be administered during mass treatment.

Original languageEnglish
Pages (from-to)171-178
Number of pages8
JournalAmerican Journal of Tropical Medicine and Hygiene
Issue number2
StatePublished - Jan 1 1995


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