Pneumococcal infection and pneumococcal vaccine.
D000367:Age Factors; D000368:Aged; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D000907:Antibodies, Bacterial / Q000032:analysis; D000918:Antibody Specificity; D001428:Bacterial Vaccines / Q000627:therapeutic use; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D011008:Pneumococcal Infections / Q000188:drug therapy / Q000517:prevention & control*; D013296:Streptococcus pneumoniae / Q000276:immunology*
D000900:Anti-Bacterial Agents; D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines