In June 1961 the American Medical Association swung its support to the Sabin vaccine.
The Sabin vaccine carried a higher risk of serious side effects, but was more effective at immunizing large populations.
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In the event, the government used the Sabin vaccine until polio was eliminated, then switched over to the Salk.
FORBES: Vaccine Case Brings Out The Instrumentalist In All Of Us
The Sabin vaccine actually helped boost immunity in communities beyond the individual because people shed the weakened virus in their feces.
The Sabin vaccine works by counteracting transmission through the intestinal cavity (where the infection begins), making it a better choice for eradication.
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Wyeth featured this interesting, and not so hypothetical case: What if lay jurors were allowed to decide whether it was reasonable for children to receive the Sabin polio vaccine instead of the Salk vaccine?
FORBES: Vaccine Case Brings Out The Instrumentalist In All Of Us
Salk's vaccine, developed in the 1950s, involved injecting a virus that was "killed, " while Sabin's vaccine -- which he worked on in the 1960s and which was administered orally -- contained a weakened version of polio.
Sabin developed an oral vaccine that would eventually supplant it.
Albert Sabin came up with a vaccine shortly after Salk, which he claimed was more effective (debatable).
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Sabin was convinced that a live oral vaccine was the better answer.
Salk vaccine receivers can still transmit the virus, whereas the Sabin ones do not.
FORBES: How Much Money Did Jonas Salk Potentially Forfeit By Not Patenting The Polio Vaccine?
In 1952 Jonas Salk (1914-1995) and Albert Sabin (1906-1993) raced to come up with a vaccine for poliomyelitis--a virus that causes inflammation of nerve cells in the spinal cord, which can cause paralysis, atrophy of the skeletal muscles and death.
Between 1962 and 1964 more than 100 million Americans were inoculated on "Sabin Sundays, " and by the mid-1960s his easy-to-administer vaccine--not Salk's--became the preferred one.
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