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Tsetse Fly
Notorious for causing trypanosomiases or African sleeping sickness disease, the tsetse flies feed on the blood of humans and transmit the germ responsible for this illness. They live in the African continent. You will be surprised to know that these flies take the lives of over 250 million individuals every year. If the disease transmitted by these flies, i.e. African sleeping sickness, is not treated timely, different vital bodily functions stop working and the affected person dies.
