More and more governments, cities, municipalities, and even private businesses promote or request the use of a respiratory mask.
But are these measures useful? Do they stand on sound scientific ground?
Or can these measures be even harmful?
Find out in our newest video, where we look at the scientific evidence for the usefulness of masks and respirators for your protection and helping stop the spread of an airborne viral disease and their potential dangers.
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Posted from my blog with SteemPress : https://lyranara.info/unmasked-the-scientific-truth-about-respiratory-masks/