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Polio vaccine (jan 1, 1952 – jan 1, 1955)
Description:
From 1952 to 1955, the first vaccine for Polio was developed by Jonas Salk.
Added to timeline:
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By
Will
25 days ago
0
0
147
Date:
jan 1, 1952
jan 1, 1955
~ 3 years
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