Immunizations in the elderly.
D000368:Aged; D001428:Bacterial Vaccines / Q000008:administration & dosage; D003362:Cost-Benefit Analysis; D004168:Diphtheria Toxoid / Q000008:administration & dosage; D006299:Health Services for the Aged; D006801:Humans; D007114:Immunization; D007252:Influenza Vaccines / Q000008:administration & dosage; D022242:Pneumococcal Vaccines; D013745:Tetanus Toxoid / Q000008:administration & dosage; D014481:United States
D001428:Bacterial Vaccines; D004168:Diphtheria Toxoid; D007252:Influenza Vaccines; D022242:Pneumococcal Vaccines; D013745:Tetanus Toxoid