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.

Advances in molecular diagnostics have transformed the identification of Mycobacterium tuberculosis and detection of drug resistance, enabling more rapid and accurate diagnosis than conventional smear ...

More than 10 million people develop tuberculosis (TB) each year, yet about 40% go undiagnosed. The main culprit is reliance on sputum-based testing, which many patients—particularly those who are ...

The Xpert MTB/Ultra molecular diagnostic test for stool samples, until now recommended only for children, could be established as an additional test for diagnosing tuberculosis in adults living with ...