Multiple choice general knowledge science & technology

The credit of developing the polio vaccine goes to

  1. Jonas Salk

  2. Alb E. Sabin

  3. Selman Waksman

  4. None of these
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A Correct answer
Explanation

Jonas Salk developed the first successful polio vaccine in 1955 using inactivated virus, leading to widespread vaccination. Albert Sabin developed an oral polio vaccine later, while Waksman discovered streptomycin. Salk's vaccine was crucial in nearly eradicating polio worldwide.

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