The global withdrawal of the Sabin type 2 poliovirus vaccine is a test of the feasibility of the plan, declared by the World Health Assembly in 1988, to eradicate all polioviruses. The main vaccine used for the poliovirus eradication effort is an infectious, attenuated preparation called oral poliovirus vaccine (OPV), developed by Albert Sabin. Comprised … Continue reading A test of the poliovirus endgame