11 Animals That Killed The Most People in The World

3. Tsetse flies

Human kills: 10,000 per year

These flies live in Africa, and are known for causing sleeping sickness with their bite. Usually the people who get bitten by these flies have symptoms like fever, pain in joints and muscles, swollen lymph glands, and strong headaches. When the disease starts to progress, people become confused all the time, they have problems with speech, suffer from seizures and have a hard time with walking. If not treated properly and in time, this disease will cause death. If you thought sharks and lions were killers, wait till you hear the Tsetse flies annual body count, it is around 10,000 people per year…

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