1. Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Utah Department of Health, Salt Lake City, Utah, USA
4. Laboratory Leadership Service, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
5. Utah Public Health Laboratory, Taylorsville, Utah, USA
6. Salt Lake County Health Department, Salt Lake City, Utah, USA
7. Davis County Health Department, Clearfield, Utah, USA
8. Wisconsin Department of Health Services, Madison, Wisconsin, USA
9. City of Milwaukee Health Department, Milwaukee, Wisconsin, USA