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Edward Jenner proved cowpox could shield humans from smallpox in 1796, launching
Featured Event 1979 Event

December 9

Smallpox Eradicated: Humanity Wins Global Health War

Edward Jenner proved cowpox could shield humans from smallpox in 1796, launching a century-long global campaign that eventually drove the disease to extinction. This relentless push culminated in December 1979 when scientists certified the virus's total eradication, ending an annual toll of two million deaths and sparing future generations from a scourge that once ravaged every continent.

December 9, 1979

47 years ago

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What Else Happened on December 9

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