The Snowball Study is testing ways to identify and contact people who may have been exposed to infection by a virus such as SARS-CoV-2 (also known as coronavirus, or COVID-19). The study is led by researchers and physicians at Duke University.
If you have a Snowball Study “coupon code” and are interested in participating, click the button below, or keep reading to learn more about Snowball. Only people who have been invited to participate in Snowball and have received a coupon code can enroll.