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2 mar 1955 ano - Jonas Salk

Descrição:

Created the IPV for polio - it's an inactive vaccine that isn't alive and doesn't have to be refrigerated. He created the first successful vaccine.

Adicionado na linha do tempo:

Tis but a scratch: Disease Timeline

13 dez 2018

1

0

495

Data:

2 mar 1955 ano

Agora

~ 70 years ago

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