title: [Third oral polio immunization--what is the good of it?].
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D000917:Antibody Formation; D002648:Child; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D009500:Neutralization Tests; D011051:Poliomyelitis / Q000276:immunology* / Q000517:prevention & control; D017955:Poliovirus / Q000145:classification / Q000276:immunology; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage*; D013997:Time Factors
chemical_list: D000914:Antibodies, Viral; D011055:Poliovirus Vaccine, Oral
vernacular_title: Was nützt die dritte orale Poliomyelitisimpfung.