CARPHA performs a PCR assay using the Xpert MTB/RIF test (for use with the Cepheid GeneXpert® System). This is a semi-quantitative nested real-time PCR in-vitro diagnostic test for:
The MTB/RIF test is intended for use with specimens from untreated patients for whom there is clinical suspicion of tuberculosis (TB). Use of Xpert MTB/RIF for detection of M. tuberculosis (MTB) or determination of rifampin susceptibility has not been validated for patients who are receiving treatment for tuberculosis.
Using a scissors to take the biopsy