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 ...

Millions of people worldwide are affected by African sleeping sickness, Chagas disease and other life-threatening infections caused by microscopic parasites borne by insects such as the tsetse fly.

This malady should not be confused with African sleeping sickness, which is transmitted by the bite of the tsetse fly, but is a frequent accompaniment of influenza and other winter diseases.

Millions of people worldwide are affected by African sleeping sickness, Chagas disease and other life-threatening infections caused by microscopic parasites borne by insects such as the tsetse fly.