Figure 1From: High-sensitive and rapid detection of Mycobacterium tuberculosis infection by IFN-γ release assay among HIV-infected individuals in BCG-vaccinated areaFlow chart showing numbers recruited in HIV-positive (HIV+ve) individuals with or without active tuberculosis. TB = tuberculosis; TST = tuberculin skin test; T-SPOT.TB: commercial test IFNGAR from Oxford Immunotec, Abingdon, UK.Back to article page