Prof Welburn said: "It is just a matter of chance that that animal gets bitten by a tsetse fly and that fly bites a human and infects them." Researchers tested a new approach to sleeping sickness control by targeting 500,000 cows for treatment.
Prof Welburn said: "It is just a matter of chance that that animal gets bitten by a tsetse fly and that fly bites a human and infects them." Researchers tested a new approach to sleeping sickness control by targeting 500,000 cows for treatment.