Scientists trying to stay ahead of bat-killing white-nose syndrome as it spreads south

  • by: ALEX SANZ , Associated Press
  • Updated: April 25, 2014 - 9:03 AM

MAMMOTH CAVE, Ky. — A sign posted at Mammoth Cave National Park in south-central Kentucky lets visitors know if they tour the largest known cave system in the world, they will have to walk on bio-security mats immediately afterward. Shoes must be scrubbed to help contain the spread of a disease that has killed more than 6 million cave-dwelling bats in the United States.

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