Multiple sclerosis (MS) is an autoimmune disease of the central nervous system that affects 2.5 million people worldwide and leads to important physical and cognitive disability with typical onset during young adulthood. Over the past years, the Laboratory for Neuroimmunology (KU Leuven) identified 233 MS genetic risk factors, which are shared with other autoimmune but not neurological disorders and implicate specific immune cells in the pathogenesis and disease mechanisms of MS. They also demon