Thank you for your interest in the CASCADIA study!

The CASCADIA study will help us learn more about how often COVID-19 occurs among adults and children. The study will also help us learn how well COVID-19 vaccines work to prevent COVID-19 infection and illness.


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Click the button below to begin screening for your eligibility to participate:
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To save your responses and end the survey, click the 'End Survey' button below. If you have selected the wrong option by accident and/or wish to return to the survey, click the 'Return and Edit Response' button.