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The disease caused by the tsetse fly.

The disease caused by the tsetse fly.

A disease endemic among people and animals in Central Africa. It is caused by various species of trypanosomes, particularly T. gambiense and T. rhodesiense. Its second host is the tsetse fly. Involvement of the central nervous system produces "African sleeping sickness." Nagana is a rapidly fatal trypanosomiasis of horses and other animals.

Tsetse-fly disease, a disease of cattle and horses in South Africa due to the presence in the blood of Trypanosoma brucei; the parasite is carried from the sick to the well by a tsetse fly, Glossina morsitans.

Syn.: tsetse disease. A disease affecting horses and cattle in Central Africa. It is caused by the presence of the animal parasite, Trypanosoma Brucei, which is transmitted by the bite of the tsetse fly.