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23 jan 1956 ano - Albert B. Sabin

Descrição:

He created the oral polio vaccine, the vaccine consists of strains of the weakened form of polio. His oral polio vaccine could passively immunizie other people as well.

Adicionado na linha do tempo:

Tis but a scratch: Disease Timeline

BySora
13 dez 2018
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495

Data:

23 jan 1956 ano
Agora
~ 69 years ago

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