
FILE - This Thursday, July 2, 2015, file photo shows the building housing Centene Corporation headquarters in Clayton, Mo. Health insurer Centene says it will expand into more Affordable Care Act insurance exchanges in 2018, at a time when competitors are either pulling back from those markets or proposing steep price hikes to remain. The insurer said Tuesday, June 13, 2017, it will start offering coverage on exchanges in Missouri, Kansas and Nevada. It also will expand its presence in Florida, Ohio, Texas and Washington, among other states. (AP Photo/Jeff Roberson, File)
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