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19 set 1796 ano - Smallpox Vaccine

Descrição:

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

Adicionado na linha do tempo:

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

14 dez 2018

1

0

590

Data:

19 set 1796 ano

Agora

~ 229 years ago

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