Biology, asked by mythri3828, 6 months ago

who discovered vaccine for polio?
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Answers

Answered by Anonymous
3

Answer:

DR.JONAS SALK DISCOVER VACCINE FOR POLIO

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Answered by Anonymous
1

Answer:

An inactivated (killed) polio vaccine (IPV) developed by Dr. Jonas Salk and first used in 1955.

Explanation:

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