“It’s just devastating”: White-nose syndrome has cut some of their colonies in North America by 75 percent.
By Helen Thompson May 25 at 8:00 AM Oral vaccines could give wild bats a better chance at surviving white-nose syndrome, the fungal disease that has ravaged bat colonies in North America. In lab tests conducted on captured little brown bats, vaccination led to fewer infected bats developing lesions and more of the bats surviving, researchers reported May 1 in Scientific Reports.
“It’s just devastating to some bat populations,” says veterinarian Elizabeth Falendysz at the U.S. Geological Survey National Wildlife Health Center in Madison, Wis. In a second trial aimed at confirming the results, researchers vaccinated bats both orally and by injection. After 126 days, about 88 percent of bats that received oral versions of both vaccines survived the effects of the fungus, compared with 30 percent of unvaccinated bats . Bats that survived the experiments lost an average of about 34 percent of their body weight, while bats that died had lost about 55 percent.
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