Dear Doctors: I got a tuberculosis skin test for my health care job and tested positive. A follow-up blood test was also positive, and I was diagnosed with latent TB. However, I had no known exposure.

DEAR MAYO CLINIC: My daughter’s doctor said her PPD was positive and sent her for a chest X-ray to rule out TB. Is it possible to have a false-positive result? Her pediatrician says she should follow ...

Researcher found that exposed individuals with confirmed TB infection -- i.e. a positive skin or blood test -- should receive priority treatment in settings with a low prevalence of the disease, ...

The bacteria that cause the disease can be spread through the air by coughing, sneezing or even just speaking. People nearby can inhale the airborne germs. The vaccine Bacille Calmette-Guérin (BCG) is ...

If you have experienced tuberculosis (TB) exposure or have symptoms, Medicare may cover a purified protein derivative (PPD) test. If you don’t have symptoms and haven’t experienced TB exposure, ...

Treating all household contacts of someone with tuberculosis (TB) helped prevent active TB disease across age groups in the real world, but the effectiveness was highest when treating individuals who ...

Medicare Part B may cover the costs of a purified protein derivative (PPD) test if your healthcare professional deems it necessary to diagnose tuberculosis (TB) due to existing symptoms. A PPD test ...