Comparative evaluation of Xpert MTB/RIF and the new Xpert MTB/RIF ultra with respiratory and extra-pulmonary specimens for tuberculosis case detection in a low incidence setting

Background: The Xpert MTB/RIF assay (Xpert) is an automated molecular test for the detection of tuberculosis and rifampin resistance (RIF-R), but it lacks sensitivity in smear-negative samples and some limitations in determination of RIF-R have also been reported. The new Xpert MTB/RIF Ultra (Ultra)...

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Bibliographic Details
Main Authors: Claudio Piersimoni, Giancarlo Gherardi, Natascia Gracciotti, Antonella Pocognoli
Format: Article
Language:English
Published: Elsevier 2019-05-01
Series:Journal of Clinical Tuberculosis and Other Mycobacterial Diseases
Online Access:http://www.sciencedirect.com/science/article/pii/S2405579418300792