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1 janv. 1870 - Louis Pasteur develops vaccines for diseases.

Description:

Louis Pasteur, a physician, thought that illness was caused by microorganisms. He used this knowledge to develop vaccines that extended life expectancy by preventing a number of common diseases.

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Timeline of the I.R

Byanna
17 févr. 2024
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0
305

Date:

1 janv. 1870
Maintenaint
~ Il y a 155 ans

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