Recent Advances in Testing for Latent TB.

Link to article at PubMed

Recent Advances in Testing for Latent TB.

Chest. 2010 Dec;138(6):1456-63

Authors: Schluger NW, Burzynski J

After more than a century of relying on skin testing for the diagnosis of latent TB infection, clinicians now have access to blood-based diagnostics in the form of interferon ? release assays (IGRAs). These tests are generally associated with higher sensitivity and specificity for diagnosis of latent TB infection. This article reviews the indications for testing and treatment of latent TB infection in the overall context of a TB control program and describes how IGRAs might be used in specific clinical settings and populations, including people having close contact with an active case of TB, the foreign born, and health-care workers.

PMID: 21138881 [PubMed - in process]

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