noun
- an orally administered vaccine of live viruses for immunization against poliomyelitis.
noun
- a vaccine taken orally to immunize against poliomyelitis, developed by Albert Bruce Sabin (1906–93) in 1955
n.
- An oral vaccine that contains live attenuated polioviruses and is used to confer immunity against poliomyelitis.
An oral vaccine developed by the twentieth-century American scientist and physician Albert B. Sabin that induces immunity to poliomyelitis.