Two polio vaccines are used throughout the world to combat poliomyelitis (or polio). The first was developed by Jonas Salk and first tested in 1952. Announced to the world by Salk on April 12, 1955, it consists of an injected dose of inactivated (dead) poliovirus. An oral vaccine was developed by Albert Sabin using attenuated poliovirus that he had received from Hilary...
Also known as:
- OPV polio vaccine,
- trivalent oral poliovirus vaccine,
- IPV polio vaccine,
- inactivated (dead) poliovirus,
- attenuated poliovirus
