American Society for Microbiology, Journal of Clinical Microbiology, 7(47), p. 2355-2357, 2009
DOI: 10.1128/jcm.01320-08
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Commercial interferon-gamma release assays (IGRAs), T.SPOT.TB and QuantiFERON TB Gold "In tube", were compared with tuberculin skin test for detection of tuberculosis (TB) infection in immune-compromised children in a low prevalence country. IGRAs are of limited usefulness in this study setting due to high rates of discordant and indeterminate results.