Kenilworth, UNITED STATES
A view of the Schering-Plough campus in Kenilworth, New Jersey March 9, 2009
A view of the Schering-Plough campus in Kenilworth, New Jersey March 9, 2009, after Merck & Co Inc said it would acquire Schering-Plough Corp in $41.1 billion deal, widening Merck's pipeline and diversifying its portfolio of medicines. ÊREUTERS/Jeff Zelevansky (UNITED STATES BUSINESS HEALTH)