The upregulated DEGs were associated with antigen processing and presentation; autoimmune thyroid disease; graft‐versus‐host disease; an intestinal immune network for IgA production; primary immunodeficiency; Th1, Th2, and Th17 cell differentiation; Type I diabetes mellitus; and viral myocarditis pathways (Figure 1e). The gene discussed is CD79A; the disease is viral myocarditis.