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27 abr 1992 ano - First vaccine developed for hepatitis A.

Descrição:

by Steven M. Feinstone as a nonenvoloped, spherical, positive stranded RNA virus

Adicionado na linha do tempo:

New timeline

ByJonathan Rawlings
6 nov 2018

Data:

27 abr 1992 ano
Agora
~ 32 years ago

Imagens:

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