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1 jan 1955 ano - Polio Vaccine

Descrição:

Jonas Salk discovers the polio vaccine. Polio was a disease that killed, and permanently crippled people (often in childhood) around the world. Salk's discovery helped save countless lives and prevented huge amounts of suffering.

Adicionado na linha do tempo:

Modern Times

ByClay Schubert
8 fev 2023
1
0
538

Data:

1 jan 1955 ano
Agora
~ 70 years ago

Imagens:

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