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5 giug 1994 anni - America declared Polio free

Descrizione:

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

Aggiunto al nastro di tempo:

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

14 dic 2018

1

0

589

Data:

5 giug 1994 anni

Adesso

~ 31 years ago

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