For patients transitioning from rituximab to ravulizumab, meningococcal vaccination can be safely done within 6 months after stopping rituximab.

Children with pediatric-onset multiple sclerosis (POMS) have shorter telomeres, suggesting MS may accelerate biological aging.

Mild cognitive impairment and Alzheimer disease have a low prevalence among newly diagnosed patients with multiple sclerosis.

Cladribine treatment for relapsing multiple sclerosis improves health-related quality of life and preserves cognitive function after 4 years.