They may look similar, but they serve different purposes.
that prevents much smaller particles from passing through to a person’s respiratory system. Two of the most common respirator masks are N-95 masks and N-99 masks, which, when used correctly, prevent 95 percent and 99 percent, respectively, of airborne particles from entering a person’s mouth or nose.
Because they filter out smaller particles, respirator masks also typically protect against different kinds of pathogens, according to , an infectious disease physician with Northwestern Medicine. Surgical masks protect against droplet-spread infections, like influenza and other common respiratory infections. N-95 and N-99 respirator masks can protect against airborne illnesses like measles, chickenpox, or tuberculosis.are spread by droplets, which means a respirator mask is considered a higher-level method of protection only needed for airborne illnesses.
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