Vaccine which provides immunization against polio was developed by
A
E. Jenner
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B
Dr. Salk
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C
J. Lederberg
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D
Landsteiner
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Solution
The correct option is C Dr. Salk The polio vaccine was developed in 1955 by Dr. Jonas Salk and thus called the “Salk vaccine”. It is the inactivated or killed vaccine that was given by intramuscular injection but now it is given orally.