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27 март 1798 г. - Vaccination

Описание:

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 дек 2018
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Дата:

27 март 1798 г.
Сейчас
~ 227 г назад
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