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19 сент 1796 г. - Smallpox Vaccine

Описание:

Edward Jenner created a vaccine that used cowpox as a way to create immunity to smallpox. This was also the first vaccine.

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The history of diseases that changed society, civilization, and life of humans

14 дек 2018

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Дата:

19 сент 1796 г.

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~ 229 г назад

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