FILE - In this Thursday, Feb. 28, 2013, file photo, a Merck logo is seen on a scientist's lab coat in West Point, Pa. Merck reports financial results on Wednesday, Feb. 3, 2016. (AP Photo/Matt Rourke, File)
Featured Photo Galleries
FILE - In this Thursday, Feb. 28, 2013, file photo, a Merck logo is seen on a scientist's lab coat in West Point, Pa. Merck reports financial results on Wednesday, Feb. 3, 2016. (AP Photo/Matt Rourke, File)
