Replies to post #112961 on Biotech Values

[DewDiligence]

10 new Tysabri PML cases including 4 deaths:

http://www.reuters.com/article/2011/02/18/biogen-tysabri-idUSN1811430320110218

All told, there have been 95 PML cases and 20 deaths since BIIB/ELN began keeping track in 2007.