CAMBRIDGE, Mass.--(BUSINESS WIRE)--Biogen Idec Inc. (NASDAQ:BIIB) announced today that its presentation at the Jefferies Healthcare Conference will be webcast live via the internet, on Thursday, June 28 at 8:10 a.m. ET. To access the live webcast, please visit Biogen Idec’s homepage, www.biogenidec.com. An archived version of the webcast will be available for 14 days following the presentation.