Pneumococcal pneumonia and pneumococcal vaccine.
D000368:Aged; D000907:Antibodies, Bacterial / Q000032:analysis; D001428:Bacterial Vaccines / Q000276:immunology*; D006801:Humans; D011018:Pneumonia, Pneumococcal / Q000276:immunology / Q000517:prevention & control*; D018805:Sepsis / Q000276:immunology / Q000517:prevention & control
D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines