title: Smallpox and its post-eradication surveillance.
authors.forename: Z
authors.initials: Z
authors.lastname: Jezek
authors.forename: L N
authors.initials: LN
authors.lastname: Khodakevich
authors.forename: J F
authors.initials: JF
authors.lastname: Wickett
mesh_terms: D049673:History, 20th Century; D006801:Humans; D012106:Research; D012899:Smallpox / Q000266:history / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination; D014944:World Health Organization
chemical_list: D012900:Smallpox Vaccine