President Biden is betting on millions more at-home rapid tests to help curb the pandemic, but the tests have already disappeared from pharmacy shelves in many parts of the country. To make things worse, manufacturers are warning it will take them weeks to ramp up production. Mara Aspinall, professor of practice at Arizona State University College of Health Solutions, joined Cheddar's Opening Bell to discuss more on the severity of the shortage and how this affects everyone, including those fully vaccinated.