Smallpox.
D000349:Africa; D000818:Animals; D000998:Antiviral Agents / Q000627:therapeutic use; D002642:Chick Embryo; D006801:Humans; D007211:Indoles / Q000627:therapeutic use; D012899:Smallpox / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology*; D012900:Smallpox Vaccine / Q000627:therapeutic use; D013882:Thiosemicarbazones / Q000627:therapeutic use; D014329:Tropical Climate; D012901:Variola virus; D014944:World Health Organization
D000998:Antiviral Agents; D007211:Indoles; D012900:Smallpox Vaccine; D013882:Thiosemicarbazones