title: Combined use of live and killed vaccines to control poliomyelitis in tropical areas.
mesh_terms: D002675:Child, Preschool; D004534:Egypt; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D007557:Israel / Q000208:ethnology; D007597:Jordan / Q000208:ethnology; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*
chemical_list: D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral