Month: August 2016

African Sleeping Sickness

The bite of an infected tsetse fly yields a regional difference in disease type — the uncommon but more fulminant Trypanosome rhodesiense of east Africa, to the far more common yet rather more indolent gambiense strain of west Africa. There is also an American variant, known as Chagas disease, this time spread through the excrement of an infected Reduviid bug. The respective trypanosomes…