title: Aging and infection: a review.
mesh_terms: D000368:Aged; D000818:Animals; D001172:Arthritis, Rheumatoid / Q000150:complications; D001424:Bacterial Infections / Q000150:complications / Q000453:epidemiology / Q000276:immunology; D003176:Complement C3 / Q000032:analysis; D003428:Cross Infection / Q000453:epidemiology; D048909:Diabetes Complications; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D007136:Immunoglobulins / Q000032:analysis; D008213:Lymphocyte Activation; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000150:complications; D009504:Neutrophils / Q000276:immunology; D009895:Opsonin Proteins / Q000032:analysis; D051381:Rats; D012882:Skin Tests; D013203:Staphylococcal Infections / Q000453:epidemiology
chemical_list: D003176:Complement C3; D007136:Immunoglobulins; D009895:Opsonin Proteins