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- Federal health officials emphasize proper mask fit to protect against coronavirus variants, urging double masks in some cases The Washington Post
- What you need to know about face masks as protection against coronavirus CNN
- Are two masks better than one? Reuters
- Amazon Just Launched a Huge Face Mask Sale, Including Best-Selling Cloth, Disposable, and KN95 Options PEOPLE
- CDC: Double-masking helps reduce exposure to Covid-19 POLITICO
- View Full Coverage on Google News
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