Changing to injectable polio vaccine.
Durham
G
G
D017048:Health Care Costs; D006291:Health Policy; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D009520:New Zealand; D011051:Poliomyelitis / Q000209:etiology* / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated / Q000191:economics; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects*
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral