title: Polio vaccines and polio immunization in the pre-eradication era: WHO position paper.
mesh_terms: D003362:Cost-Benefit Analysis; D006801:Humans; D007115:Immunization Schedule; D032541:Mass Vaccination / Q000191:economics; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated / Q000009:adverse effects / Q000191:economics / Q000627:therapeutic use*; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects / Q000191:economics / Q000627:therapeutic use*; D014195:Travel; D014944:World Health Organization
chemical_list: D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral