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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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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
By
Sora
13 dez 2018
1
0
495
Data:
2 mar 1955 ano
Agora
~ 70 years ago
Imagens:
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