MOG and infection: Several recent publications reported patients with new occurring myelin oligodendrocyte glycoprotein IgG (MOG-IgG) associated disease (MOGAD), a rare recently defined neurological autoimmune diseases,6 after SARS-CoV-2 infection or vaccination indicating their possible role as a potential trigger of MOGAD.7-22 The association of MOGAD with infections or vaccination is well known and includes a broad range of infectious agents and vaccines.23,24