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1 jul 1955 año - Polio Vaccine

Descripción:

Dr. Albert Sabin's vaccine help put an end to the pandemic that crippled thousands of children. U.S. citizens are recommended 4 polio vaccines throughout their lifetime.

Añadido al timeline:

1950's

ByCody Murdock
19 may 2021
1
0
203

fecha:

1 jul 1955 año
Ahora mismo
~ 70 years ago
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