A certain type of N95 respirators—the ones with a valve—are not beneficial in containing Covid-19 spread. Avoid wearing a mask which has valves or openings on the front as it might be a 'one-way valve' which is only going to protect the person wearing it. Such masks do not filter aerosols coming out of your mouth, hence, immediately putting those around you at risk.

from India News | Latest News Headlines & Live Updates from India - Times of India https://ift.tt/3hmKURm
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