What DoesTuberculin Test Positive Mean?

Tuberculin is a culture filtrate from tuberculosis made only with Mycobacterium tuberculosis protein, non-tuberculous of biological products.

At present, China's commonly used for tuberculosis of tuberculin purified protein derivative, or PPD. Human tuberculosis infection after a period of time, to display positive tuberculin reaction. Naturally infected with the tuberculin reaction can even maintain positive life without a TB infection even if the person does not appear repeatedly test positive. Based on this principle, PPD is widely used in the epidemiology of tuberculosis investigations, monitoring TB infection in the differential diagnosis of tuberculosis, BCG vaccination target selection and assessment inoculation effect, but also can be used to determine the body's immune cells.


If you tuberculin-positive, only that you have already infected with tuberculosis, it had tuberculosis, also from your doctor comprehensive clinical manifestations, sputum bacteriological testing and x-inspection analysis, making the final judgement.