The spread of African trypanosomes beyond their natural range; essay on historical zoogeography of the host-parasite system.
D000818:Animals; D044383:Black People; D006801:Humans; D010271:Parasites; D014352:Trypanosomiasis; D014353:Trypanosomiasis, African / Q000453:epidemiology*
TRYPANOSOMIASIS, AFRICAN/epidemiology