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Idaho Confirms First Cases of Deadly Bat Disease

3/24/2026

33 5 Full Breakdown

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Story summary
  • Idaho Fish and Game confirmed white-nose syndrome for the first time, with three bats testing positive.
  • The disease is caused by Pseudogymnoascus destructans and has killed millions of bats since 2007.
  • The Idaho cases involve a little brown bat and a western long-eared bat.
  • The fungus has been in Idaho since 2021, and Minnetonka Cave bats show no signs.
  • Officials urge cavers to clean gear to prevent spreading the fungus.