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5 jun 1994 ano - America declared Polio free

Descrição:

Polio has come back now because of the reluctance of vaccines.

Adicionado na linha do tempo:

The history of diseases that changed society, civilization, and life of humans

14 dez 2018

1

0

588

Data:

5 jun 1994 ano

Agora

~ 31 years ago

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