IL17A and tuberculosis: Finally in the validation cohort as shown in Figure 6C, the dual combination of cytokines TNFα/IL-2, TNFα/IL-17A, IL-2/IL-17A, and triple combination of cytokines TNFα/IL-2/IL-17A showed good significant discriminatory power with high AUC, sensitivity and specificity in discriminating confirmed TB from unlikely TB children.