Poliomyelitis in China.
D002648:Child; D002675:Child, Preschool; D002681:China; D004196:Disease Outbreaks / Q000517:prevention & control; D004770:Enterovirus / Q000254:growth & development; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D017955:Poliovirus / Q000254:growth & development; D011055:Poliovirus Vaccine, Oral; D012424:Rural Population; D014329:Tropical Climate; D014505:Urban Population; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral