qT=1&tQ=The tsetse fly transmits a dangerous disease called ____________ to humans.&tC=sleeping sickness|malaria|ebola|alcoholism&cC=1&fB=Sleeping sickness may sound relatively harmless, but it is actually a life-threatening infectious disease! Left untreated, it is almost always fatal.<br><br>The tsetse fly, an African midge, spreads the disease through tropical Africa. Roughly 500,000 people are currently infected, and about 100 people die each day of the disease. Some symptoms include slurred speech, difficulty walking, progressive confusion, and seizures.