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1 ene 1916 año - Polio epedemic in U.S.

Descripción:

27,000 cases in US;<6,000 deaths, most under 5 years of age. unclear how it spread -no way to protect against it. created panic because of threat of disability; paralysis. low fatality rate. infantile paralysis

Añadido al timeline:

B HLTH 224

ByKelly Stevens
13 dic 2018
1
0
722

fecha:

1 ene 1916 año
Ahora mismo
~ 108 years ago

Fotos:

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