Deer Tick

FILE – This March 2002 file photo shows a deer tick under a microscope in the entomology lab at the University of Rhode Island in South Kingstown, R.I. According to a new government study published Wednesday, July 15, 2015, the geographic areas where Lyme disease is a bigger danger have grown dramatically. U.S. cases remain concentrated in the Northeast and upper Midwest. But now more areas in those regions are considered high risk. (AP Photo/Victoria Arocho, File)

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