Expanded programme on immunization. Certification of poliomyelitis eradication-the Americas, 1994.
D000569:Americas; D002648:Child; D002675:Child, Preschool; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D010175:Pan American Health Organization; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D011159:Population Surveillance
D011055:Poliovirus Vaccine, Oral