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

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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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Date:

feb 20, 1879
Now
~ 146 years ago

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