Two polio vaccines are used throughout the world to combat polio. The first was invented by Jonas Salk and first tested in 1952 and announced to the world by Salk on April 12, 1955. It consists of an injected dose of killed polio virus. Albert Sabin produced an oral polio vaccine using live but weakened virus in 1962.

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... INACTIVATED POLIOVIRUS VACCINE, IPV (IPOL®) is a vaccine that protects against poliovirus infections. The vaccine helps the body produce antibodies (protective substances) that will fight polio. Most school systems in the US require that children receive vaccination against polio. This vaccine is usually started at 8 weeks of age and given every 2 months for a total of 3 doses. A fourth dose may be needed. In recent years, there has been concern about the safety of childhood vaccines. Serious reactions to the inactivated poliovirus vaccine are rare in small children. A generic vaccine is not available. ...
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Two polio vaccines are used throughout the world to combat polio. The first ...
Wikipedia - [full article]

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