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1979: Some 10 years after the World Health Organization began a global vaccination program against smallpox , the disease was officially declared eradicated. [Take our Viruses, Bacteria, and Diseases quiz .]
Jenner, EdwardEdward Jenner Injecting the Vaccine into His Son, sculpture by Giulio Monteverde, 1873; in the Palazzo Bianco, Genoa, Italy.Photos.com/Thinkst |
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