Infected snakes have been located in Massachusetts and New Hampshire. Illinois has seen multiple fatalities over the last several years in a threatened snake species – the eastern massasuaga. While the total number of deaths is small, so is the total snake population in northern states like Illinois.

“Even a few individuals can be significant,” TWRA biologist Brian Flock writes in an email.

One of the leading researchers on the topic is wildlife veterinary Matthew Allender, who says the fungus that’s being discovered is often found on captive reptiles like bearded dragons. He told the University of Illinois News Bureau that finding infections in the wild is significant.