title: Prospectus: the prevention of bacteremic pneumococcal pneumonia. A conservative appraisal of vaccine intervention.
mesh_terms: D000367:Age Factors; D000368:Aged; D001428:Bacterial Vaccines / Q000627:therapeutic use*; D002555:Cerebrospinal Fluid / Q000382:microbiology; D006801:Humans; D007117:Immunization, Secondary; D007167:Immunotherapy / Q000379:methods; D008875:Middle Aged; D011008:Pneumococcal Infections / Q000401:mortality / Q000517:prevention & control*; D011014:Pneumonia / Q000382:microbiology / Q000401:mortality / Q000517:prevention & control*; D018805:Sepsis / Q000517:prevention & control*; D013183:Sputum / Q000382:microbiology; D013296:Streptococcus pneumoniae / Q000145:classification / Q000302:isolation & purification
chemical_list: D001428:Bacterial Vaccines