Moreover, the safety of SARS-CoV2 vaccines has been highlighted in adult MS (4) and in adult patients with aquaporin-4-IgG neuromyelitis optica spectrum disorder (AQP4-IgG+NMOSD) and myelin oligodendrocyte glycoprotein associated disease (MOGAD) (5). The gene discussed is MOG; the disease is myeloid sarcoma.