Long a dream, it's now real: a fast and accurate TB test that doesn't need phlegm
TB tests use phlegm — not the easiest thing to get or work with. It takes time for results. And there can be false negatives and positives. A new test is more accurate and takes less than half an hour.
TB tests use phlegm — not the easiest thing to get or work with. It takes time for results. And there can be false negatives and positives. A new test is more accurate and takes less than half an hour.
This article was originally published at: https://www.npr.org/2026/04/29/nx-s1-5802789/tb-tuberculo...