Infectious diseases in Africa.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D000349:Africa; D006800:Deltaretrovirus Infections / Q000453:epidemiology; D006525:Hepatitis, Viral, Human / Q000453:epidemiology; D006801:Humans; D007835:Lassa Fever / Q000453:epidemiology; D014777:Virus Diseases / Q000453:epidemiology*