title: Duration of protection accorded by live oral poliovirus vaccine.
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis*; D006801:Humans; D007117:Immunization, Secondary; D008297:Male; D008875:Middle Aged; D011051:Poliomyelitis / Q000517:prevention & control; D011055:Poliovirus Vaccine, Oral / Q000627:therapeutic use*; D013997:Time Factors
chemical_list: D000914:Antibodies, Viral; D011055:Poliovirus Vaccine, Oral