Exotic infectious diseases: smallpox.
D000328:Adult; D000368:Aged; D004196:Disease Outbreaks; D005260:Female; D049673:History, 20th Century; D006801:Humans; D011790:Quarantine / Q000266:history; D012899:Smallpox / Q000266:history / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination; D014944:World Health Organization
D012900:Smallpox Vaccine