smallpox in humans smallpox in humans declared globally eradicated we killed it first "The Smallpox Eradication Programme - SEP (1966-1980)" elimination "The Smallpox Eradication Programme - SEP (1966-1980)" The Smallpox Eradication Programme - SEP (1966-1980) smallpox in humans effort smallpox in humans smallpox in humans elimination The Smallpox Eradication Programme - SEP (1966-1980) effort http://www.who.int/features/2010/smallpox/en/ smallpox in humans eradicated in 1980 "The Smallpox Eradication Programme - SEP (1966-1980)" Smallpox is a medical success story smallpox in humans "The Smallpox Eradication Programme - SEP (1966-1980)" series of photo galleries World Health Organization Smallpox is a medical success story effort smallpox in humans eradicated