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 (IPV). Albert Sabin later developed the oral polio vaccine (OPV). Salk's vaccine was the breakthrough that ended polio epidemics in the United States. Selman Waksman discovered streptomycin, an antibiotic, not a polio vaccine.

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