Wearing a face mask might not just protect the people around you from coronavirus infection--you might be protecting yourself

KNXAM: On-Demand
Tuesday, July 14th
One study after another has backed up the science behind face masks:  your chances of infecting people around you in close quarters is dramatically reduced when you're wearing a mask.

But there's new thinking that even a simple cloth mask is doing a lot more to protect you than we had first realized.  New research suggests you might be minimizing your own risk of catching COVID.

Dr. Monica Gandhi is an infectious disease physician at University of California, San Francisco