Before the oral polio vaccine, the standard was the
Pasteur vaccine
Jenner vaccine
Salk vaccine
Koch vaccine
Answer
The Salk vaccine, developed by Jonas Salk in the mid-20th century, stood as the primary method of polio immunization before the introduction of the oral polio vaccine. It represented a monumental breakthrough in combating this devastating disease. Unlike its successor, the Salk vaccine was an inactivated poliovirus delivered via injection, offering effective protection against paralysis caused by natural poliovirus infection.
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