MS drug linked to rising JC virus antibody levels

[MSUK]

People who take the drug Tysabri for multiple sclerosis may have up to a 10 times greater risk of developing a risk biomarker for activity of a virus that can lead to an often fatal brain disease, according to a study published in online issue of Neurology Neuroimmunology and Neuroinflammation..Read more - http://www.ms-uk.org/MSnews