An active participant in the eradication program of smallpox.
Zikmund
Vladimír
V
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
D012900:Smallpox Vaccine