1. US Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, 4101 Laporte Ave., Fort Collins, Colorado 80521, USA
2. Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Division of High-Consequence Pathogens and Pathology, Poxvirus and Rabies Branch, 1600 Clifton Rd. NE, Atlanta, Georgia 30333, USA
3. US Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Rabies Management Program, 59 Chenell Dr., Concord, New Hampshire 03301, USA
4. US Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, 730 Yokum St., Elkins, West Virginia 26241, USA
5. Pennsylvania Department of Health, Bureau of Laboratories, 110 Pickering Way, Exton, Pennsylvania 19341, USA
6. Department of Ecology & Evolutionary Biology, Princeton University, 106A Guyot Hall, Princeton, New Jersey 08544, USA