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Trypanosomiasis, african Epidemiology
- African trypanosomiasis – sleeping sickness – is confined to tropical Africa between latitudes 15ºN and 20ºS (the “tsetse belt”)
- T.b. gambiense occurs in Saharan savannah and riverine forests of western and central Africa
- T.b. rhodesiense occurs in the savannah of eastern and south-east Africa
- The pathogen is transmitted by blood-sucking tsetse flies
- Wild animals (antelopes, lions) are carriers of T. brucei rhodesiense
- Domestic and wild animals are reservoirs for T. brucei gambiense
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