SNP rs9501117 located at 6q27 was found as a shared SNP between PrCa and the two COVID-19 severity phenotypes (hospitalization and critical illness), while SNP rs2854005 (harboring HLA-B) located at 6q27 was found as a shared SNP between PrCa and all three COVID-19 phenotypes. The gene discussed is HLA-B; the disease is COVID-19.