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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

ByTassya
14 déc. 2018

Date:

6 août 1950
Maintenaint
~ Il y a 73 ans
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