Coronavirus Mask as tuberculosis, chicken pox and the flu. These are all very small infectious particles that remain in the air after being exhaled by an infected person. There has been a lot of misinformation about these masks. Some say they work, others say no. So what is the truth?The fact is that N 95 respirators protect users against the flu, at least in theory and when used properly. The N 95 respirators are hermetic and
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