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The US is distributing free N95 masks. Here's how to use one and when to toss it.

fox5atlanta.com

The US is distributing free N95 masks. Here's how to use one and when to toss it.

At Grady Hospital in Atlanta, Dr. Neil Winawer has spent much of the past two years wearing an N95 respirator at work. We asked him for some advice on how to use the masks, how to take care of them, and when to toss them out.

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