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8 dez 1963 ano - Albert Sabin (OPV)

Descrição:

The OPV is an oral vaccine that releases active viruses into the gut. It is a cheaper alternative to the IPV and does not need health officials to administer the vaccination.

Adicionado na linha do tempo:

Data:

8 dez 1963 ano
Agora
~ 61 years ago

Imagens: