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1 janv. 1796 - First succesful vaccine

Description:

The first vaccine was created by Edward Jenner after he noticed that milkmaids who caught cowpox were protected against smallpox, and then created the first vaccine which was inoculated cowpox

Ajouté au bande de temps:

5 major contributions made by scientists

ByBob Arnold
8 janv. 2020

Date:

1 janv. 1796
Maintenaint
~ Il y a 228 ans

Les images:

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