Feasibility of commercial interferon-γ-based methods for the diagnosis of latent Mycobacterium tuberculosis infection in Finland, a country of low incidence and high bacille Calmette-Guerin vaccination coverage

The performances of the QuantiFERON-TB Gold in Tubes (QFGT), T SPOT-TB (ELISPOT) and the Mantoux test were compared for the diagnosis of latent tuberculosis infection in Finland, a country of low tuberculosis incidence. In Cohort A (16 students), freshly isolated peripheral blood mononuclear cells (...

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