CT, PET scans show tuberculosis bacteria in 'cured' patients

Researchers examined patients who had previously been diagnosed with and apparently cured of tuberculosis (TB).

The findings, published in the journal Nature Medicine, question just what the term “cured” really means, because many of the individuals had live bacteria in their lungs.

 “We were quite surprised to see the residual findings at the end of treatment... and the evidence of presence of active live bacteria in patients we called cured of tuberculosis,” said Clifton Barry, MD, coauthor of the study and chief of the Tuberculosis Research Section of the National Institute of Allergy and Infectious Diseases.

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