HLA-B and COVID-19: Several studies concluded that HLA-A*11:01, HLA-B*51:01, HLA-C*14:02, HLA-DQB1*06:02 and HLA-B*27:0 were correlated with a higher COVID-19 mortality (Novelli et al., 2020; Wang et al., 2020; Shkurnikov et al., 2021).