Do you need to wear a mask while you hike? Should grocery stores be avoided at all costs?

To help us adjust to this new normal and all of the uncertain (and sometimes conflicting) guidelines, Dave Ross calls epidemiologist Erin Bromage at the University of Massachusetts. Bromage specializes in translating science and research into plain English, and can tell us everything scientists know so far about how the coronavirus really spreads - and how to calculate your own risk.