Monkeypox and smallpox in Africa.
D000349:Africa; D000818:Animals; D002648:Child; D000882:Haplorhini; D006801:Humans; D008992:Monkey Diseases / Q000453:epidemiology*; D008993:Monkeypox virus / Q000302:isolation & purification; D011213:Poxviridae Infections / Q000662:veterinary*; D012899:Smallpox / Q000453:epidemiology*