1. Influenza Division, Centers for Disease Control and Prevention,
2. Departments of Medicine and Pediatrics, Emory University School of Medicine, and
3. Atlanta Veterans Affairs Medical Center, Georgia;
4. Maryland Emerging Infections Program, Maryland Department of Health and Mental Hygiene, Baltimore;
5. Salt Lake County Health Department, Utah, Salt Lake City;
6. Emerging Infections Program, New York State Department of Public Health, Albany and
7. Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York;
8. California Emerging Infections Program, Oakland;
9. New Mexico Emerging Infections Program, New Mexico Department of Health, Santa Fe;
10. Colorado Department of Public Health and Environment, Denver;
11. Connectitut Emerging Infections Program, Yale School of Public Health, New Haven;
12. Ohio Department of Health, Columbus;
13. Michigan Department of Community Health, Lansing;
14. Minnesota Department of Health, St Paul;
15. Oregon Public Health Division, Portland;
16. Vanderbilt University School of Medicine, Nashville, Tennessee.