Social Sciences, asked by fruity32, 1 year ago

who discoverd vaccine for polio

Answers

Answered by muakanshakya
2
hey there!!


Ans:-

Jonas Salk



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Answered by ayush579
3

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✍✍✍The first polio vaccine was the inactivated polio vaccine. It was developed by Jonas Salk and came into use in 1955. 

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