[WORLD HEALTH DAY 1965. SMALLPOX--CONSTANT ALERT. II].
D003140:Communicable Disease Control; D004813:Epidemiology; D014943:Global Health; D006801:Humans; D012899:Smallpox; D012901:Variola virus; D014944:World Health Organization
COMMUNICABLE DISEASE CONTROL; EPIDEMIOLOGY; SMALLPOX; WORLD HEALTH ORGANIZATION
WERELDGEZONDHEIDSDAG 1965. SMALLPOX--CONSTANT ALERT. II.