Health Vidya

Tuberculin PPD is indicated as an aid in the detection of infection with . The standard tuberculin test employs the intradermal (Mantoux) test using a 5 TU dose of tuberculin PPD. The 0.1 mL test dose of Aplisol (tuberculin PPD, diluted) is equivalent to the 5 TU dose which has been clinically utilized and standardized with PPD-S. Tuberculin skin testing is not contraindicated for persons who have been vaccinated with BCG and the skin-test results of such persons are used to support or exclude the diagnosis of infections. HIV infection is a strong risk factor for the development of TB disease in persons having TB infection. All HIV-infected persons should receive a PPD-tuberculin skin test. Mycobacterium tuberculosis 7 M. tuberculosis 4 3