Sleeping Sickness

In the twenty-first century sleeping sickness (African trypanosomiasis in humans) is still a life-threatening disease of adults and children and a hazard to tourists in East African game parks.The protozoan parasite is transmitted by the tsetse fly, a buzzing insect with reddish eyes and a large biting proboscis. In 1912, when this short monograph was written, physicians of the British Empire understood that trans-continental expeditions manned by infected African porters, had set off an epidemic of sleeping sickness that had claimed half a million lives. Dr. Sandwith, an eyewitness to the disaster, traces this legacy of imperialism, from the traders who learned to reject slaves with swollen…