Hidden danger from pet dogs in Africa

Dogs in tropical Africa run the risk of contracting canine trypanosomosis if they are bitten by bloodsucking tsetse flies carrying trypanosomes—microscopic, single-celled organisms found in the bloodstream. In dogs, this ...

Tsetse fly out of Zimbabwe's hot Zambezi valley

The tsetse fly—an insect that transmits trypanosomiasis or sleeping sickness—could soon die out in Zimbabwe's Zambezi Valley due to rising temperatures, a study said Tuesday.