Disclaimer

Initial development and production of this website was made possible through funding from the U.S. Centers for Disease Control and Prevention (CDC) to the Water Environment Federation (WEF) under Cooperative Agreement CK20-2003: Improving Clinical and Public Health Outcomes through National Partnerships to Prevent and Control Emerging and Re-Emerging Infectious Disease Threats.

All content of the website, however, is solely the responsibility of WEF. And, as of September 30, 2025, WEF no longer receives external funding for this website.