InterferonGammaReleaseAssayTHEORY:Aperson’sT-cellsthatpreviouslyTweresensitizedtoTBantigenproducehighlevelsofIFN-gammawhenre-exposedtoIFNrethesamemycobacterialantigen.IGRA TwocurrentlyavailableinCanada:1.T-SPOT.TB2.QuantiFERON-TBGoldIn-TubeQuantiFERONIn- NoantigensintheabovetestsarefoundinBCG.Therefore,nofalseBCG...