The feasibility of the interferon gamma release assay and predictors of discordance with the tuberculin skin test for the diagnosis of latent tuberculosis infection in a remote Aboriginal community.

The tuberculin skin test (TST) is the standard test used to screen for latent TB infection (LTBI) in the northern Canadian territory of Nunavut. Interferon gamma release assays (IGRA) are T cell blood-based assays to diagnose LTBI. The Bacillus Calmette-Guerin (BCG) vaccine is part of the routine im...

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Bibliographic Details
Main Authors: Gonzalo G Alvarez, Deborah D Van Dyk, Naomi Davies, Shawn D Aaron, D William Cameron, Marc Desjardins, Ranjeeta Mallick, Natan Obed, Maureen Baikie
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4227715?pdf=render