[History: World in Focus] The Last Outbreak: How Humanity Defeated Its Oldest Killer

In 1967, smallpox was still killing two million people every year and infecting fifteen million more. Thirteen years later, on May 8, 1980, the World Health Organization made an announcement that had never been made in the history of medicine: a human disease had been completely eradicated from the planet. Not controlled. Not reduced. Gone.