HLA-DRB1 and COVID-19: HLA-A*02 (n=24, 40%), HLA-A*01 (n=7, 11.7%), HLA-B*50 (n=6, 10%), HLA-B*35 and HLA-B*38 (n=5, 8.3%), HLA-DRB1*07 (n=12, 20%), and HLA- DRB1*04 (n=9, 15%) were most identified in all COVID-19 patients (n=30).