This Is MS Multiple Sclerosis Community: Knowledge & Support
Welcome to the world's leading forum on Multiple Sclerosis research, support, and knowledge. For over 10 years, This is MS has provided an unbiased community dedicated to Multiple Sclerosis patients, caregivers, and affected loved ones.
Since January 2012 (as of Febuary 1), there have been six more PML patients and two more deaths. It means 207 confirmed cases of PML and 44 of them have died (21%). There have been about 98.000 MS patients on natalizumab worldwide.