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Diseases - General Knowledge Questions
The first effective vaccine against polio was prepared by
A)
Robert Edwards
B)
Jonas Salk
C)
James Simpson
D)
JH Gibbon

Correct Answer :   Jonas Salk

An inactivated (killed) polio vaccine (IPV) developed by Dr. Jonas Salk and first used in 1955, and. A live attenuated (weakened) oral polio vaccine (OPV) developed by Dr. Albert Sabin and first used in 1961.

Published On : May 29, 2021
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