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New tuberculosis test for active infections
[traditional tests] can't separate patients with active TB from those who are no longer sick or have merely been vaccinated
The new test monitors the expression of three genes from a blood sample and can specifically detect an active infection. The test is 86% sensitive with a false negative rate of 1%.
Globally, tuberculosis infects 9.6 million new patients each year and kills 1.5 million
http://m.medicalxpress.com/news/2016-02-blood-tuberculosis-diagnosis-treatment-countries.html [medicalxpress.com]
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