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7 fev 1926 ano - The first vaccine developed for whooping cough

Descrição:

Efforts to develop an inactivated whole-cell vaccine began soon after B.

Adicionado na linha do tempo:

New timeline

ByJonathan Rawlings
6 nov 2018

Data:

7 fev 1926 ano
Agora
~ 98 years ago

Imagens:

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