Autoimmune Disease, also known as hypersensitivity reaction type ii disease, is related to vitiligo-associated multiple autoimmune disease susceptibility 1 and autoimmune disease of endocrine system. An important gene associated with Autoimmune Disease is AIS4 (Autoimmune Disease, Susceptibility To, 4), and among its related pathways/superpathways are Innate Immune System and Cytokine Signaling in Immune system. The drugs Ledipasvir and Sofosbuvir have been mentioned in the context of this disorder. Affiliated tissues include t cells and bone marrow, and related phenotypes are autoimmunity and autoimmune antibody positivity