1. COVID-NET Surveillance Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. All Native Synergies Company, Winnebago, Nebraska, USA
3. US Public Health Service, Rockville, Maryland, USA
4. California Emerging Infections Program, Oakland, California, USA
5. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
6. Colorado Department of Public Health and Environment, Denver, Colorado, USA
7. Connecticut Emerging Infections Program, Yale School of Public Health, New Haven, Connecticut, USA
8. Emory University School of Medicine, Atlanta, Georgia, USA
9. Georgia Emerging Infections Program, Atlanta, Georgia, USA
10. Veterans Affairs Medical Center, Atlanta, Georgia, USA
11. Maryland Department of Health, Baltimore, Maryland, USA
12. Michigan Department of Health and Human Services, Lansing, Michigan, USA
13. Minnesota Department of Health, St. Paul, Minnesota, USA
14. New Mexico Department of Health, Santa Fe, New Mexico, USA
15. New York State Department of Health, Albany, New York, USA
16. University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
17. Ohio Department of Health, Columbus, Ohio, USA
18. Oregon Health Authority, Portland, Oregon, USA
19. Vanderbilt University Medical Center, Nashville, Tennessee, USA
20. Salt Lake County Health Department, Salt Lake City, Utah, USA