Delayed reactivity to bacterial and viral extracts in the aged.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000937:Antigen-Antibody Reactions; D001428:Bacterial Vaccines; D004167:Diphtheria Toxin; D005260:Female; D006470:Hemorrhage / Q000139:chemically induced; D006801:Humans; D006968:Hypersensitivity, Delayed; D007271:Injections, Intradermal; D008297:Male; D008875:Middle Aged; D013209:Staphylococcal Vaccines; D014374:Tuberculin Test; D014612:Vaccines; D014765:Viral Vaccines
D001428:Bacterial Vaccines; D004167:Diphtheria Toxin; D013209:Staphylococcal Vaccines; D014612:Vaccines; D014765:Viral Vaccines