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Tuberculosis
Research reports from University of Minnesota provide new insights into tuberculosis
June 2nd, 2009
"Screening for latent tuberculosis infection (LTBI) in refugee populations immigrating to low-incidence countries remains a challenge. We assessed the characteristics of the QuantiFERON-Gold In-Tube (QFF-GIT) compared with the tuberculin skin test (TST) in 198 refugees of all ages from tuberculosis-endemic countries," researchers in the United States report. "Diagnostic agreement between the first QFT-GIT and simultaneous TST was 78% (kappa = 0.56) and between serial QFT-GITs was 89% (kappa = 0.76). In serial QFT-GIT testing, 70% of subjects had an increased QFT-GIT value, perhaps the result of an antecedent TST in the setting of previous TB exposure. This boosting...
Source: TB & Outbreaks Week (2009-06-02)
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