title: Pneumococcal vaccine -- a surgeon's overview.
mesh_terms: D000368:Aged; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007167:Immunotherapy; D007223:Infant; D011018:Pneumonia, Pneumococcal / Q000276:immunology / Q000517:prevention & control*; D011247:Pregnancy; D013154:Spleen / Q000276:immunology; D013296:Streptococcus pneumoniae / Q000276:immunology*; D014612:Vaccines / Q000276:immunology*
chemical_list: D014612:Vaccines