Though respirator-style masks have better filtration than others, their effectiveness depends on whether they are worn properly and consistently, according to the CDC. If the mask is uncomfortable on a child, causing them to frequently take it off or wear it incorrectly, a respirator-style mask isn’t as beneficial. For this reason, Harvard Medical School professor of pediatrics Dr. Rick Malley said surgical masks may be a more realistic option for children.
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Masks typically have a fit guide on the packaging, but generally, masks should completely cover the nose and mouth, fit snugly against the sides of the face and not have any gaps. They should only be handled by the ear loops, cords or head straps and not by the surface of the mask, according to the CDC.
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Dr. Sten Vermund, dean of the Yale School of Public Health, told New York Magazine that parents should make mask-wearing “fun and gamelike” if their child refuses to put one on.