IL17A and tuberculosis: The frequency of Th17 cells in peripheral blood, as well as IL-17 mRNA level in PBMCs, was higher in ACLF patients than in CHB (P = 0.045) or HC (P < 0.001). In addition, Th17 cells and IL-17 mRNA level were significantly higher among ACLF patients who died than in survivors. The frequency of Th17 cells correlated positively with serum TB (r = 0.392, P = 0.012) and MELD score (r = 0.383, P = 0.015) among ACLF patients