Polio eradication.
Preston
N W
NW
D002648:Child; D003906:Developing Countries; D006801:Humans; D007115:Immunization Schedule; D009426:Netherlands; D011051:Poliomyelitis / Q000276:immunology / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D014611:Vaccination
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral