1. Centers for Disease Control and Prevention, Atlanta
2. Philadelphia Department of Public Health, Pennsylvania
3. United States Department of Agriculture—Food Safety and Inspection Service, Atlanta
4. United States Department of Agriculture—Food Safety and Inspection Service, Washington, DC
5. New York State Department of Health, Albany
6. New York City Department of Health and Mental Hygiene, New York
7. New Jersey Department of Health and Senior Services, Trenton
8. Massachusetts Department of Public Health, Boston
9. Maryland Department of Health and Mental Hygiene, Baltimore
10. Michigan Department of Community Health, Lansing
11. Connecticut Emerging Infections Program, New Haven
12. Delaware Health and Social Services, Dover
13. United States Department of Agriculture-Food Safety and Inspection Service, Athens, Georgia