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19 sept 1796 año - Smallpox Vaccine
Descripción:
Edward Jenner created a vaccine that used cowpox as a way to create immunity to smallpox. This was also the first vaccine.
Añadido al timeline:
The history of diseases that changed society, civilization, and life of humans
By
ianop44
14 dic 2018
1
0
483
fecha:
19 sept 1796 año
Ahora mismo
~ 227 years ago
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