This page collects vetted references on medical safety, regulatory guidance, and clinical background for anyone researching this topic.
Treatment for severe Progressive Multifocal Leukoencephalopathy after Tysabri Resource Guide
A focused review of background, context, and source material on this subject.
Reference: World Health Organization (WHO)
Authoritative source for clinical, regulatory, and public-health background reading.
Reference: Mayo Clinic — Diseases & Conditions
Authoritative source for clinical, regulatory, and public-health background reading.
Reference: Centers for Disease Control and Prevention (CDC)
Authoritative source for clinical, regulatory, and public-health background reading.