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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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FAQ

1 janv. 1955 - IPV developed by Dr. Jonas Salk is declared “safe and effective.”

Ajouté au bande de temps:

19 nov. 2023
0
0
370

Date:

1 janv. 1955
Maintenaint
~ Il y a 70 ans