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26 marzo 1953 anni - Polio

Descrizione:

Dr. Jonas Salk tells the public that he's come up with a vaccination for Polio. In April of 1955 it was said that his vaccination for it was effective and safe.

Aggiunto al nastro di tempo:

Historical events

ByHailey Wessel
14 dic 2017
0
0
448

Data:

26 marzo 1953 anni
Adesso
~ 72 years ago

Immagini:

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