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20 feb 1879 año - Begins studies in the field of vaccination

Descripción:

After accidentally exposing some chickens to an aged form of the cholera virus, they become resistant to the disease. This was the beginning of the vaccination firld.

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The Lifetime of Louis Pasteur

ByShayma Abdullahi
6 nov 2017
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fecha:

20 feb 1879 año
Ahora mismo
~ 146 years ago

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