Virus responsible for deadly brain disease found in MS patients treated with natalizumab
Wednesday, September 9, 2009 - 16:49
in Health & Medicine
BOSTON -- The virus responsible for PML (progressive multifocal leukoencephalopathy), a rare brain disease that typically affects AIDS patients and other individuals with compromised immune systems, has been found to be reactivated in multiple-sclerosis patients being treated with natalizumab (Tysabri).