Sep 03, 2019 · A study published today in JAMA compared the ubiquitous surgical (or medical) mask, which costs about a dime, to a less commonly used respirator called an N95, which costs around $1. The study ...
Surgical masks: Are typically cleared by the U.S. Food and Drug Administration as medical devices (though not all devices that look like surgical masks are actually medical-grade, cleared devices). Are used to protect workers against splashes and sprays (i.e., droplets) containing potentially infectious materials.
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