Progress towards global poliomyelitis eradication: preparation for the oral poliovirus vaccine cessation era.
D014943:Global Health; D006801:Humans; D017589:Immunization Programs; D007115:Immunization Schedule; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D014944:World Health Organization
D011055:Poliovirus Vaccine, Oral