Pauline Nol,^1,*,** Rebecca Frey,² Morgan Wehtje,^1,*** Jack Rhyan,^3,**** Patrick Ryan Clarke,^2,**** Matthew McCollum,⁴ Christine Quance,³ Douglas Eckery,⁵ Suelee Robbe-Austerman<sup>3

1</sup>United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, Center for Epidemiology and Animal Health, 2150 Centre Avenue, Building B, Fort Collins, Colorado 80526, USA
²United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, PO Box 253, Manhattan, Montana 59741, USA
³United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, National Veterinary Services Laboratories, 1920 Dayton Avenue, Ames, Iowa 50010, USA
⁴Colorado State University, Department of Biomedical Sciences, Animal Reproduction and Biomedical Laboratory, 3105 Rampart Road, Fort Collins, Colorado 80521, USA
⁵United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, 4101 Laporte Avenue, Fort Collins, Colorado 80521, USA

^*Current address: Colorado Division of Parks and Wildlife, Wildlife Health Program, 4330 Laporte Avenue, Fort Collins, Colorado 80521, USA
^**Corresponding author (email: pauline.nol@state.co.us)
^***Current address: Capitol Reef National Park, National Park Service, HC 70, Torrey, Utah 84775, USA
^****Retired