N95, medical or cloth face masks: Which is best against the Omicron COVID-19 variant? Canada’s latest guidance explained
N95, medical or cloth face masks: Which is best against the Omicron COVID-19 variant? Canada’s latest guidance explained
Do respirators provide the best level of protection? Are N95 or KN95 masks reusable? What are the most effective face masks for children? Here’s everything we know about Canada’s latest COVID-19 mask guidelines
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