title: Pneumococcal vaccination of adults: polysaccharide or conjugate.
mesh_terms: D000328:Adult; D000368:Aged; D000907:Antibodies, Bacterial / Q000032:analysis / Q000096:biosynthesis; D006801:Humans; D007114:Immunization; D007115:Immunization Schedule; D008875:Middle Aged; D011008:Pneumococcal Infections / Q000276:immunology* / Q000517:prevention & control*; D022242:Pneumococcal Vaccines / Q000627:therapeutic use*; D011134:Polysaccharides / Q000276:immunology*; D014611:Vaccination; D018074:Vaccines, Conjugate / Q000627:therapeutic use
chemical_list: D000907:Antibodies, Bacterial; D022242:Pneumococcal Vaccines; D011134:Polysaccharides; D018074:Vaccines, Conjugate