Data from: QuantiFERON®-TB Gold In-Tube for contact screening in BCG-vaccinated adults: a longitudinal cohort study

Laura Muñoz, Lucía Gonzalez, Laura Soldevila, Jordi Dorca, Fernando Alcaide & Miguel Santin
Objective. To assess the utility of QuantiFERON®-TB Gold In-tube (QFT-GIT) for targeting preventive therapy in BCG-vaccinated contacts of tuberculosis (TB), based on its high specificity and negative predictive value for development of TB. Methods. We compared two screening strategies for TB contact tracing in two consecutive periods: the tuberculin skin test (TST) period, when all contacts were screened with the TST alone; and the QFT-GIT period, when BCG-vaccinated contacts underwent TST and QFT-GIT. Diagnosis of...
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