Question

Polio vaccine was first discovered and developed by

• A. J. Salk.
• B. L. Pasteur.
• C. G.J. Mendel.
• D. J. Watson.

Answer 1

The correct option is A J. Salk.

The first polio vaccine was developed by the Jonas Salk in 1952 and gave name it as Salk vaccine. It was the inactivated polio vaccine. First, he tested his vaccine in monkey and then tested in his volunteer who never had polio before. he observed that his killed polio vaccine is stimulating the immune cells to produce antibody against it without causing disease.