Here’s How to Correctly and Safely Wear a Face Mask, Plus How to Not Fog up Your Glasses

“Masks should be as closely fitted to the skin as possible,” Dr. Stephen Berger, an infectious disease expert, and co-founder of GIDEON, the Global Infectious Diseases and Epidemiology Network, tells PEOPLE.
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“The nose must be covered,” says Berger. “Note that when people are tested for the virus, a swab is inserted into the nose — because that is where the virus is!”