NPR: New study estimates 3 million cases of TB are misdiagnosed each year

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NPR news story

A new study published in Nature Medicine found that many TB diagnoses may be incorrect — and that this could carry significant implications for patient care and well-being.

Researchers estimate that, of those who seek medical care for symptoms that could indicate a TB infection, about a million people have the disease but aren’t given that diagnosis. They are false negatives. On the flip side, the estimated number of false positives was even worse: 2 million or more people each year are erroneously told they have TB when they actually have something else.

Read the full news story here.


For more TB updates, check out the TB CAB Weekly Newsletter (Issue #5, 15 February 2026).

The newsletter is brought to you by the Global TB Community Advisory Board (TB CAB) with the support of Treatment Action Group (TAG) and the European AIDS Treatment Group (EATG). Subscribe to the newsletter here.


 

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