title: Unusual features of infections in the aging.
abstract: Antibody responses to specific antigens are generally impaired in the elderly. This is important because older people are often the target population for influenza and pneumococcal vaccination. Poor fever response in older patients may retard diagnosis of infection and sepsis.
mesh_terms: D000368:Aged; D000375:Aging; D001424:Bacterial Infections / Q000276:immunology* / Q000628:therapy; D002481:Cellulitis / Q000209:etiology; D003165:Complement System Proteins / Q000502:physiology; D004697:Endocarditis, Bacterial / Q000209:etiology; D005334:Fever / Q000503:physiopathology*; D006801:Humans; D007109:Immunity; D007111:Immunity, Cellular; D007962:Leukocytes / Q000502:physiology; D008264:Macrophages / Q000502:physiology; D010019:Osteomyelitis / Q000209:etiology; D011014:Pneumonia / Q000209:etiology; D018805:Sepsis / Q000209:etiology; D013492:Suppuration; D014552:Urinary Tract Infections / Q000209:etiology; D014777:Virus Diseases / Q000276:immunology
chemical_list: D003165:Complement System Proteins