- American Red Cross.
- Centers for Disease Control and Prevention.
- Colorado Division of Homeland Security and Emergency Management.
- Colorado School Safety Resource Center.
- Environmental Protection Agency.
- Federal Emergency Management Agency.
- Flu.gov.
- Health Alert Network.
- Local public health agencies in Colorado.
- Ready.gov.
- U.S. Department of Health and Human Services.
- U.S. Department of Homeland Security.
