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Olenka [21]
4 years ago
13

What contribution did jonas salk make to science in the 1950s?

History
2 answers:
Mnenie [13.5K]4 years ago
6 0

He created a vaccine against polio.

lisabon 2012 [21]4 years ago
4 0
Jonas Salk was an important American medical researcher and virologist, who is mostly known for developing the first successful polio vaccine in 1955. 
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Over and over again he rehearsed it in wearisome _____ until it had assumed a certain and almost invariable form.
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