The Oakland Post

These are the 14 masks that were tested in the study at Duke University. The most effective mask was the N95, used by many health care professionals.

Facial masks that miss the mark

Emily Morris, Managing Editor February 17, 2021

The pandemic has spurred everyone to wear masks — disposable, face gaiters, homemade, etc. — in public areas, but not all masks are equally effective.  While the Center for Disease Control and...

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