Delayed cellular immunity response as measured by tuberculin testing of an elderly population.
D000367:Age Factors; D000368:Aged; D004739:England; D005260:Female; D006707:Homes for the Aged; D006801:Humans; D006968:Hypersensitivity, Delayed; D007111:Immunity, Cellular; D008297:Male; D008875:Middle Aged; D009169:Mycobacterium tuberculosis / Q000276:immunology; D011159:Population Surveillance; D012424:Rural Population; D012737:Sex Factors; D012866:Skilled Nursing Facilities; D014374:Tuberculin Test; D014505:Urban Population