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7 sept. 1952 - Salk created first Polio Vaccine
Description:
This vaccine carries inactivated polio and an infection is needed.
Ajouté au bande de temps:
The history of diseases that changed society, civilization, and life of humans
By
ianop44
14 déc. 2018
1
0
483
Date:
7 sept. 1952
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~ Il y a 71 ans
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