title: An active participant in the eradication program of smallpox.
authors.forename: Vladimír
authors.initials: V
authors.lastname: Zikmund
mesh_terms: D049673:History, 20th Century; D006801:Humans; D032541:Mass Vaccination / Q000266:history*; D012899:Smallpox / Q000266:history* / Q000517:prevention & control; D012900:Smallpox Vaccine; D014944:World Health Organization / Q000266:history
chemical_list: D012900:Smallpox Vaccine