AP Photo
FILE - In this Thursday, Sept. 28, 2017, file photo, patients lie in their beds at a hospital in Catano, Puerto Rico. The U.S. Food and Drug Administration says drug shortages are possible because of expected long-term power outages in Puerto Rico. FDA Commissioner Dr. Scott Gottlieb said in a statement Friday, Oct. 6, 2017, that the agency is working to prevent shortages of about 40 medicines. He didn't name the medicines involved. (AP Photo/Ramon Espinosa, File)