Epididymo-Orchitis is related to orchitis and testicular infarct. An important gene associated with Epididymo-Orchitis is CRP (C-Reactive Protein), and among its related pathways/superpathways are Glucocorticoid receptor regulatory network and Extrafollicular and follicular B cell activation by SARS-CoV-2. Affiliated tissues include testis and prostate.