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1 gen 1796 anni - First succesful vaccine

Descrizione:

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

Aggiunto al nastro di tempo:

5 major contributions made by scientists

ByBob Arnold
8 gen 2020

Data:

1 gen 1796 anni
Adesso
~ 228 years ago

Immagini:

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