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 ...

A few weeks ago, we wrote about a positive test for latent tuberculosis and treating that infection with antibiotics. On the heels of that column, we received some follow-up questions from readers.

Copenhagen — At the World Conference on Lung Health this week, Médecins Sans Frontières (MSF) released data from our operational research highlighting that using the World Health Organization (WHO) ...

Dear Dr. Roach: I had a tuberculosis (TB) skin test for my new job in May, and it was negative. They did a blood test in July. I have a question about a positive T-SPOT blood test for TB. They did a ...