HLA-C and COVID-19: Initial reports from China and Europe described the association of certain alleles with COVID-19 such as HLA-C*07:29 and B*15:27 the prevalence of which was increased in COVID-19 patients or DRB1*15:01, -DQB1*06:02, and -B*27:07, the prevalence of which was increased in a cohort of Italian patients.