Preparation and execution of mass smallpox vaccination in Iraq with the assistance of the Soviet Union.
D006801:Humans; D007391:International Cooperation; D007493:Iraq; D032541:Mass Vaccination; D012899:Smallpox / Q000276:immunology*; D014586:USSR; D014611:Vaccination; D012901:Variola virus
INTERNATIONAL COOPERATION; SMALLPOX/immunology; VACCINATION