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6 août 1950 - Polio outbreak

Description:

first one was in vermont
illness of patients who died from this disease
before the vaccine was available 15000 cases of paralysis

Ajouté au bande de temps:

new disease

14 déc. 2018

1

0

560

Date:

6 août 1950

Maintenaint

~ Il y a 75 ans

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