Teva makes Copaxone, a treatment for multiple sclerosis that competes with the MS drugs made by Biogen Idec (nasdaq: BIIB - news - people ) and Serono.

FORBES: Teva Takes On Novartis

The drug aimed to ease the deterioration caused by multiple sclerosis (MS), a disease in which the immune system attacks the nerves, eventually leaving some patients wheelchair-bound and unable to move.

FORBES: Biogen Idec Hits A Nerve