The SCAN study has ended as of July 31, 2022. Learn more about the history and accomplishments of the study here.
Thank You for Your Contributions to Coronavirus Research
The Greater Seattle Coronavirus Assessment Network (SCAN) ended active recruitment of new participants on July 31, 2022. The SCAN study provided crucial information about the spread of COVID-19 in the Seattle area. It became one of the first community surveillance programs for COVID-19 in the United States, meeting a critical gap in testing and providing crucial data on how the virus was spreading and changing. Learn more about the history and accomplishments of SCAN.
Visit Seattle Flu Alliance for More Ways to Participate
Our efforts continue to find new ways to protect Seattle and King County from respiratory diseases like COVID-19. Led by the researchers who conducted the Seattle Flu Study, the Seattle Flu Alliance expands research into the ways viruses like COVID-19 and the flu are detected, monitored, and controlled. You may be eligible to participate in a study with the Seattle Flu Alliance, including studies about COVID-19.
Information for SCAN Study Participants
To access your test results
Visit the Results page if you mailed in a COVID-19 test from SCAN on or before July 31.
For answers to questions about your past participation in the study
Visit the FAQ page or contact us at support@scanpublichealth.org.
Where to Find COVID-19 Testing
Public Health − Seattle & King County
Testing locations and guidance for King County residents.
Tacoma-Pierce County Health Department
Testing locations and guidance for Pierce County residents.
Washington State Department of Health
Testing locations across Washington state.
Local Call Centers
King County Call Center: Call 206-477-3977 for medical questions about COVID-19 and isolation/quarantine requests. Open daily from 8 a.m. to 7 p.m., for King County residents.
Tacoma-Pierce County Call Center: Call (253) 649-1412 for questions. Available 8 a.m. to 4:30 p.m. Monday-Friday, for Pierce County residents.
Washington State Coronavirus Call Center: Call 800-525-0127 for general questions about coronavirus or the state’s response, 8 a.m. to 5 p.m., Monday-Friday.