Are wearing masks, face coverings and gloves really protecting you from catching coronavirus?

KNXAM: On-Demand
Tuesday, April 7th
Guidance on the national, state and local levels have been pretty clear:  if you have to leave your house during this coronavirus lockdown period, wear a mask or face covering of some kind to help slow the spread.

But are masks really offering protection against spreading, or being infected by, COVID-19?