HLA-DRB9 and tuberculosis: The A allele carriers of rs111875628 with a higher risk for TB had significantly higher HLA‐DQA2, HLA‐DRB6, and HLA‐DRB9 expression, and lower HLA‐DRB1 and HLA‐DRB5 expression in both whole blood and lung tissues (Figure 5A,B).