African trypanosomiasis, or sleeping sickness, is a disease caused by a parasite and spread by the tsetse fly in sub-Saharan Africa. Infections begin with mild to moderate symptoms like fever and ...

The parasite enters its mammalian hosts via the bloodstream during a tsetse fly bite, and usually exits the same way. Why T.

Tsetse fly. It transmits parasites that cause sleeping sickness in humans and Nagana disease in animals. [iStockphoto] Tsetse flies - which transmit tiny parasites that cause sleeping sickness in ...