title: Polio vaccine schedule will change, but when?
authors.forename: C
authors.initials: C
authors.lastname: Marwick
mesh_terms: D003140:Communicable Disease Control / Q000592:standards*; D007115:Immunization Schedule; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage / Q000592:standards
chemical_list: D011054:Poliovirus Vaccine, Inactivated