Genes that could best classify TB patients and TST- were IL7R, PRF1, NLRP1, CD3E, CCR7, FCGR1A, IL5, TLR9, BLR1, CD19, NLRP12, NOD2, PTPRCv1, GNLY, TLR5, NCAM1 and RAB33A with AUCs of 0.97, 0.94, 0.94, 0.93, 0.93, 0.93, 0.91, 0.89, 0.88, 0.87, 0.87, 0.83, 0.83, 0.81, 0.80, 0.80 and 0.80 respectively (Fig 2B). This evidence concerns the gene CD19 and tuberculosis.