Do I Need a Three Layer Face Mask Canada? A Doctor Explains


The Public Health Agency of Canada recently advised that people wear non-medical masks with three layers, but does that mean we need to toss our old masks? An infectious disease specialist explains

An important reminder off the top—while more layers offer added protection, any mask is always better than no mask when it comes to preventing the spread of COVID-19. And masks are just part of an overall strategy that also includes physical distancing and reducing close contacts. Now, here’s what you need to know about three-layer masks.

What’s the new mask recommendation?

Earlier this month the Public Health Agency of Canada advised Canadians to up their mask game and use non-medical face masks that have three layers—two layers that are made of a tightly woven fabric like cotton, and a third layer that is made of a synthetic water-repelling…

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