FILE - In this Aug. 28, 2006 file photo, a doctor holds the human papillomavirus (HPV) vaccine Gardiasil in his hand at his Chicago office. The rate of teen girls getting the vaccine is now up to

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FILE - In this Aug. 28, 2006 file photo, a doctor holds the human papillomavirus (HPV) vaccine Gardiasil in his hand at his Chicago office. The rate of teen girls getting the vaccine is now up to about 38 percent of girls ages 13 to 17, from 33 percent, the government reported on Thursday, July 24, 2014. (AP Photo/Charles Rex Arbogast, File)

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Associated Press
Thu, Jul 24, 2014 7:28 PM EDT