text: County plant to produce MS drug Biogen Idec and Irish drugmaker Elan Corp. won government approval yesterday to sell a new multiple sclerosis drug, Tysabri. The drug, which some analysts predict will bring in \$2 billion 
inputs: County plant to produce MS drug Biogen Idec and Irish drugmaker Elan Corp. won government approval yesterday to sell a new multiple sclerosis drug, Tysabri. The drug, which some analysts predict will bring in \$2 billion 