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29 avr. 1952 - The first inactivated polio vaccine

Description:

Developed in 1952 by Jonah Salk

Ajouté au bande de temps:

Global Health History

ByShannon
20 oct. 2018
0
0
482

Date:

29 avr. 1952
Maintenaint
~ Il y a 73 ans
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