Apr 122020

Salk vaccine was allowed to be used for the first time in 1955. Dr. Jonas E. Salk produced the vaccine to prevent infantile paralysis, also known as poliomyelitis. Prior to the vaccination, polio was one of the worst diseases around. Salk started conducting research in 1947. He field-tested his vaccination in 1953, and it became available to the public in 1955. Today polio has almost been eradicated world-wide.

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