FILE - In this Monday, Nov. 23, 2015, file photo, a Pfizer flag is displayed in front of the company's world headquarters in New York. The Food and Drug Administration has approved a new medicine for use against a rare, rapidly progressing blood cancer after other treatments have failed. Pfizer’s Besponsa was approved for patients with a type of advanced acute lymphoblastic leukemia. (AP Photo/Mark Lennihan, File)
Featured Photo Galleries
