33
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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
May 1, 2025
2352007
197721
2
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1 gen 1955 anni - Jonas Salk's IPV
Descrizione:
-Introduction of first injected polio vaccine
Aggiunto al nastro di tempo:
Alex Wang Diseases in History Timeline
By
Alex Wang
15 dic 2018
1
0
512
Data:
1 gen 1955 anni
Adesso
~ 70 years ago
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