1. Virginia Department of Agriculture and Consumer Services, Warrenton Regional Animal Health Laboratory, 272 Academy Hill Road, Warrenton, VA 20186 (Henricson, Segarra, Garvin)
2. Virginia Department of Health, Rappahannock/Rapidan Health District, Culpeper, VA 22701 (Burns)
3. Viriginia Department of Health, Office of Epidemiology, Richmond, VA 23218 (Jenkins)
4. Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases (Kim, Popovic)
5. Child Vaccine and Preventable Diseases Branch, Epidemiology and Surveillance Division (Golaz)
6. Centers for Disease Control and Prevention, Atlanta, GA 30333
7. Virginia Department of Agriculture and Consumer Services, Office of Laboratory Services, Richmond, VA 23218 (Akey)