CD274,CEACAM1,CR1,FCGR1A/B,IFITM1,IRAK3,LILRA6,MAPK14,PDCD1LG2 genes (all of them presented AUC = 1.0, 100% of sensitivity and specificity) seems promising targets to distinguish TB and OPD patients (Table 2) (see Supplementary Fig. S1). The gene discussed is CEACAM1; the disease is tuberculosis.