Dr. Mark Joffe explains when and why Albertans should wear a mask

Masks play an important role in keeping Albertans safe during the COVID-19 pandemic, especially in public spaces. But when, where and how should they be worn? In this video, Dr. Mark Joffe — Vice President & Medical Director of CancerControl Alberta, Clinical Support Services & Provincial Clinical Excellence with Alberta Health Services — explains how masks protect people from COVID-19 and answers common questions that Albertans have about wearing masks.