Cambridge University Press, Infection Control and Hospital Epidemiology, 6(30), p. 581-584
DOI: 10.1086/597546
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The prevalence of latent tuberculosis infection in a cohort of nurses new to a London hospital was 7.6% (13 of 171), using an interferong γ(IFN-γ) release assay, and 16.2% (24 of 148), using the tuberculin skin test. On multivariate analysis, birth in a country with tuberculosis prevalence of more than 40 cases per 100,000 population was associated with positive results of both the IFN-γ release assay and the tuberculin skin test. © 2009 by The Society for Healthcare Epidemiology of America. All rights reserved.