Perhaps the most contentious issue in the coronavirus pandemic is the matter of masks. Should we wear them or should we not? Is anything other than a surgical grade N95 mask even worth wearing, or, as we are admonished to do, is any form of face covering, even a single-layer tubular scarf, sufficient to reduce transmission of the coronavirus? Join Norman McFarlane as he interrogates the current thinking on face coverings and the role they play, or don't play, in containing the spread.
