A poliovirus vaccine consisting of inactivated polio virus that is injected subcutaneously to provide immunity to poliomyelitis.
1 Within 17 years, the Salk vaccine was developed, and polio was defeated.
2 After seven years, a field trial was set up to test the Salk vaccine .
3 It will soon supplant the Salk vaccine .
4 Photo: Courtesy March of Dimes Polio was a feared condition until 1955 when the Salk vaccine was introduced.
5 The nationwide study "designed to test the safety and efficacy" of the Salk vaccine had officially begun.
6 The Sabin vaccine was adopted as the standard by 1961, the Salk vaccine remembered mainly as a historically important stopgap.
7 Salk vaccine kind of shots.
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