African trypanosomiasis (sleeping sickness) is fatal, if untreated, and occurs in 36 African
countries, south of the Sahara, where some 50 million people are at risk of acquiring
infection. In the absence of adequate control measures epidemics occur, which are costly
and difficult to control. The history of sleeping sickness has been characterized by waves of
epidemics, resurgences and outbreaks. Nevertheless, sleeping sickness has been brought
practically under control in the early 1950s, in West and Central Africa, through systematic …