It has been well established that TIA is associated with HLAHLA‐B*38:02 and HLAHLA‐DRB1*08:03 in Asian populations,5, 7, 8 while HLAHLA‐B*27:05 was the susceptible allele of TIA in European populations.6 Here, HLA-DRB1 is linked to transient ischemic attack.