HLA-A*01:01g-B*08:01g-C*07:01g-DRB1*03:01 is indicative of COVID-19 susceptibility, while HLA-A*02:01g-B*18:01g-C*07:01g-DRB1*11:04g might be associated with COVID-19 protection [56]. Here, HLA-A is linked to COVID-19.