Biology, asked by vamshij5, 7 months ago

vaccine for polio was discovered by.............

Answers

Answered by risky2k46

1

Answer:

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

Answered by siddharthsatheesh4

0

Answer:

Explanation:

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

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