Sabin Develops an Oral Polio Vaccine

Article abstract: Sabin developed a polio vaccine consisting of weakened strains of poliovirus, which, when eaten, caused a harmless infection in the gut and stimulated long-lasting immunity but did not cause paralytic disease.

Summary of Event

Almost a century ago, the first major poliomyelitis (polio) epidemic was recorded. Thereafter, epidemics of increasing frequency and severity struck the industrialized world. By the 1950’s, as many as sixteen thousand individuals, most of them children, were being paralyzed by the disease each year.

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