Comparison of the two parasite species causing HAT

T brucei gambiense: Endemic in 24 countries of west and central Africa, >90% of reported cases of sleeping sickness worldwide, Chronic disease, lasts for several years, Anthroponotic transmission, “Riverine” tsetse vector, Fatal if untreated. T brucei rhodesiense: Endemic in 13 countries of eastern and southern Africa, <10% of reported cases globally, Acute disease, lasts for months, Zoonosis, “savannah” tsetse vector, Fatal if untreated.