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1 ene 1870 año - Louis Pasteur develops vaccines for diseases.

Descripción:

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.

Añadido al timeline:

Timeline of the I.R

Byanna
17 feb 2024
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305

fecha:

1 ene 1870 año
Ahora mismo
~ 155 years ago

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