Question

who Discovered polio vaccine ​

Answer 1

Answer:

✔heya✔

here is your answer

➡️➡️Jonas Salk

Jonas SalkThe first polio vaccine was the inactivated polio vaccine. It was developed by Jonas Salk and came into use in 1955. The oral polio vaccine was developed by Albert Sabin and came into commercial use in 1961.

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Answer 2

Explanation:

Hey mate here ur answer

Jonas Salk

SOME MORE TO KNOW ↓

The first polio vaccine was the inactivated polio vaccine. It was developed by Jonas Salk and came into use in 1955. The oral polio vaccine was developed by Albert Sabin and came into commercial use in 1961.