title: The pneumococcus: one century later.
mesh_terms: D001428:Bacterial Vaccines / Q000627:therapeutic use*; D006801:Humans; D011008:Pneumococcal Infections / Q000382:microbiology / Q000517:prevention & control*; D013296:Streptococcus pneumoniae / Q000276:immunology* / Q000472:pathogenicity
chemical_list: D001428:Bacterial Vaccines