Optimal processing of tongue swab samples for Mycobacterium tuberculosis detection by the Xpert MTB/RIF Ultra assay
Gayatri Shankar Chilambi,
Robert Reiss,
Naranjargal Daivaa
et al.
Abstract:Tongue swabs represent a potential alternative to sputum as a sample type for detecting pulmonary tuberculosis (TB) using molecular diagnostic tests. The methods used to process tongue swabs for testing in the WHO-recommended Xpert MTB/RIF Ultra (Xpert Ultra) assay vary greatly. We aimed to identify the optimal method for processing diagnostic tongue swabs for subsequent testing by Xpert Ultra. We compared four methods for treating dry tongue swabs with Xpert Ultra sample reagent (SR) mixed with various concen… Show more
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