WE HAVE 2 NEW TYSABRI EDITORS STARTING 4/15/10! THEY WIL BE POSTING TYSABRI NEWS EVERY DAY!
Sunday, May 11
Tysabri (natalizumab) may interfere with central nervous system immune surveillance.
study about the immune system of the central nervous system itself, and
how it is negatively affected by Tysabri. Could this could lead to
further explanations for the cause of the many cases of PML?