Variations in the MHC locus are also closely related to many different autoimmune diseases (7, 45, 46) given dysregulation, identification of AABs in COVID-19 and its associated pathologies, as we have observed in our results, have also been demonstrated in other studies about the diversity (47), frequency and suggested function of these AABs (48). The gene discussed is HLA-C; the disease is autoimmune disease.