poliovirus vaccines


po·li·o·vi·rus vac·cines

1. inactivated poliovirus vaccine (IPV), an aqueous suspension of inactivated strains of poliomyelitis virus (types 1, 2, and 3) used by injection; has largely been replaced by the oral vaccine; 2. oral poliovirus vaccine (OPV), an aqueous suspension of live, attenuated strains of poliomyelitis virus (types 1, 2, and 3) given orally for active immunization against poliomyelitis. Synonym(s): poliomyelitis vaccines