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2020 5 3 · N95 respirators and surgical masks (face masks) are examples of personal protective equipment that are used to protect the wearer from airborne particles and from liquid contaminating the face.
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The official recommendation in the United States (and other Western countries) that the public should not wear face masks was motivated by the need to save respirator masks for health care workers
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"A surgical mask might provide some protection, but it's going to be very modest," said Dr. William Schaffner, a professor of preventive medicine at Vanderbilt University in Nashville, Tenn.
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