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9 Jan 1954 Jahr - Polio Vaccine

Beschreibung:

The first vaccination of children against polio begins in Pittsburgh, Pennsylvania. People marveled at the high-success rate of the new vaccine. Cases of Polio dropped from around 15,000 cases to about 5,000 cases.

Zugefügt zum Band der Zeit:

The Good ol' Days 2018

ByKen Burrow
16 Dez 2018
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Datum:

9 Jan 1954 Jahr
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~ 71 years ago
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