www.fdanews.com/articles/109116-biogen-elan-report-brain-infections-in-patients
Biogen, Elan Report Brain Infections in Patients
August 1, 2008
Shares of Biogen Idec Inc. and Elan Corp. fell sharply in late trading Thursday, after the companies said their multiple sclerosis drug Tysabri has been linked to two new cases of a rare and often fatal brain inflammation.
MarketWatch