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/it/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
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7 sett 1952 anni - Salk created first Polio Vaccine
Descrizione:
This vaccine carries inactivated polio and an infection is needed.
Aggiunto al nastro di tempo:
The history of diseases that changed society, civilization, and life of humans
By
ianop44
14 dic 2018
1
0
588
Data:
7 sett 1952 anni
Adesso
~ 73 years ago
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