A northern red-backed vole scampers through a forested area of the Kenai Peninsula. These small mammals, found in almost all parts of Alaska, are known carriers of the virus that causes the disease being renamed borealpox. The borealpox virus -- known up to now as the Alaskapox virus -- appears to be more widespread in the environment than previously understood. (Photo by Colin Canturbury/U.S. Fish and Wildlife Service)
A northern red-backed vole scampers through a forested area of the Kenai Peninsula. These small mammals, found in almost all parts of Alaska, are known carriers of the virus that causes the disease being renamed borealpox. The borealpox virus — known up to now as the Alaskapox virus — appears to be more widespread in the environment than previously understood. (Photo by Colin Canturbury/U.S. Fish and Wildlife Service)

The viral, rash-causing and headline-grabbing disease that…