sleeping sickness An infectious disease caused by trypanosomes occurring in Africa and carried by tsetse flies. It causes fever, headache, often a sense of oppression, and a rash; later the characteristic somnolence follows and the disease enters a chronic, often fatal stage. Treatment is most effective if started before the late stage of brain involvement and uses arsenical compounds. Related category HEALTH AND DISEASE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |