Xpert, the quick test for tuberculosis already endorsed by WHO, has been found accurate for TB including drug-resistant strains, according to a new study publsihed in The Cochrane Library.

WHO in 2010 endorsed the two-hour, molecular diagnostic TB test, which requires little skilled expertise. With the cost of the test now reduced to under $10 per cartridge thyanks to several donors, it is being rolled out in more than 20 countries including India.