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1 ene 1936 año - Jonas Salk, Polio vaccine

Descripción:

Polio was a terribly infectious disease that claimed the lives of hundreds. Salk was the first to make a safe vaccination for it.


Image: https://karsh.org/wordpress/wp-content/uploads/2017/02/Yousuf-Karsh-Jonas-Salk-1956.jpg

Añadido al timeline:

microbiotimlin

ByMiles Thomas
hace 9 meses atrás
0
0
51

fecha:

1 ene 1936 año
Ahora mismo
~ 89 years ago
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