1. Wildlife Conservation Society, Zoological Health Program, 2300 Southern Boulevard, Bronx, New York 10460, USA
2. Section of Zoological Medicine, Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA
3. New York City Department of Health and Mental Hygiene, Bureau of Communicable Disease, 2 Gotham Center, CN# 22A, 42-09 28 Street, Queens, New York 11101, USA
4. Wildlife Services, US Department of Agriculture Animal and Plant Health Inspection Service, 1750 Pennsylvania Avenue, Brooklyn, New York 11239, USA
5. Animal Health Diagnostic Center, College of Veterinary Medicine, Cornell University, 240 Farrier Road, Ithaca, New York 14853, USA
6. Rabies Laboratory, New York State Department of Health, 5668 State Farm Road, Slingerlands, New York 12159, USA