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The oral poliomyelitis vaccine (OPV) is a live-attenuated vaccine administered by mouth to protect against poliovirus infection and halt person-to-person spread. Developed by Albert Sabin in the early 1960s, it has been the primary driver in reducing global polio cases by over 99%
The oral poliomyelitis vaccine (OPV) is a live-attenuated vaccine administered by mouth to protect against poliovirus infection and halt person-to-person spread. Developed by Albert Sabin in the early 1960s, it has been the primary driver in reducing global polio cases by over 99%