[WHO vaccination programs. Vaccination in the control of smallpox].
D014943:Global Health; D006801:Humans; D009313:National Health Programs / Q000458:organization & administration; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000627:therapeutic use*; D014611:Vaccination; D014944:World Health Organization
D012900:Smallpox Vaccine
Szczepienia ochronne w programach Swiatowej Organizacji Zdrowia. Szczepienia w zwalczaniu ospy.