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Periodical article Periodical article Leiden University catalogue Leiden University catalogue WorldCat catalogue WorldCat
Title:Ecological Considerations of the Endemicity of the Rhodesian Sleeping Sickness in Lambwe Valley, Kenya
Author:Mwanje, J.I.
Year:1995
Periodical:Eastern and Southern Africa Geographical Journal
Volume:6
Issue:1
Period:December
Pages:82-92
Language:English
Notes:biblio. refs.
Geographic terms:Kenya
East Africa
Subjects:environment
trypanosomiasis
Health and Nutrition
Environment, Ecology
ecology
Lambwe Valley (Kenya)
Epidemiology
Abstract:Human trypanosomiasis is endemic in Africa. The endemicity of the Rhodesian type of human sleeping sickness in the ecosystem of Lambwe Valley (near Lake Victoria, Nyanza Province, Kenya) dates back to the beginning of this century. The disease is believed to have first spread into Kenya from Uganda as its prevalence was favoured by a sustained tsetse fly belt of Glossina pallidipes between Kenya and Uganda. Later on the flies spread to Tanzania, carrying with them the infection. Epidemics of the disease are known to have occurred periodically. The present paper presents the ecological setting suitable for the sustenance of the tsetse fly population in the ecosystem of Lambwe Valley, a prerequisite for the endemicity of the infection. Periodical tsetse campaigns having failed, there is a high likelihood that the epidemic will remain a recurrent episode. Bibliogr., sum.
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