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15 abr 1955 año - The Cutter Incident

Descripción:

In 1955, a bad batch of polio vaccines was created which infected many children, cause 200 cases of paralysis and 10 deaths.

Añadido al timeline:

B HLTH 224

14 dic 2018

1

0

520

fecha:

15 abr 1955 año

Ahora mismo

~ 70 years ago

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