Gilead Sciences in Foster City, Calif. (AP/Eric Risberg)
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Date Taken: 01-Jan-0001 00:00:00Copyright: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu
Credit: AP
Title: Explaining Drug Prices
Caption: FILE - This July 9, 2015, file photo shows the headquarters of Gilead Sciences in Foster City, Calif. After Gilead acquired the developer of Sovaldi, the the price of the medication increased significantly. A bill awaits Vermont Gov. Peter Shumlin's signature in May 2016 that would make it the first state requiring drug companies to explain their price increases. The legislation would have regulators develop an annual list of up to 15 drugs that have seen the biggest price increases. Manufacturers then would have to justify the increases to the attorney general's office. (AP Photo/Eric Risberg, File)
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