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mar 27, 1798 - Vaccination

Description:

The first vaccination attempt by Edward Jenner was inoculated on a boy using cowpox and successfully demonstrated immunity. In 1798, the first smallpox vaccine was developed.

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Interactive Infectious Disease Timeline

ByWessam (Wes) Nakour
13 Dec 2018
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Date:

mar 27, 1798
Now
~ 227 years ago
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