A New Test for the TB Toolbox

Missing in the TB fight is a test to easily, inexpensively and accurately diagnose TB, but a new blood test could save lives.

As the traditional and imperfect sputum test contributes to the spread of the scourge, Purvesh Khatri, a Stanford University medical professor, and colleagues developed a test that detects 3 distinctive TB genes in blood.

The test correctly identified TB in 86% of pediatric cases, according to results of their study published in the Lancet Respiratory Medicine. It could also cost far less, and be performed at a clinic and turn around results in the same day—meaning treatment could start immediately, key for low-income countries.

Scientific American
 

 

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