According to an infectious disease specialist ⤵️
As with the other variants, when it comes to your mask the fit is key. "The best mask to reduce the transmission of COVID-19 at this time is the mask with the best fit and is comfortable enough for the wearer to use consistently and correctly," Dr. Pierre says. "A mask that fits snug on your face with no gaping and allows no opportunity for the entry of respiratory secretions that might carry the SARS-CoV-2 virus.
Of course, the value of N95 and KN95 masks is that they offer higher filtration efficiency and are better at filtering out the virus per the, but these masks can often be uncomfortable and can cause skin breakouts compared to other masks. However, Dr. Pierre wants consumers to be aware that this is normal and while cloth masks might be more comfortable they are not very effective when worn alone. "Even in the hospital, there is no ‘one size fits all’ N95 mask.
As long as the other conditions, like official branding and quality control are met. This leads us to our other question….First and foremost, you should check that N95s are NIOSH-approved. They should be stamped with “NIOSH” and have NIOSH approval number that starts with "TC." The CDC has a very usefulOnce you receive your mask, it's time to check for quality control. Look for any loose straps, inconsistency of fit between masks in the same packaging, misaligned nasal bridge, etc.
Continue to verify that the masks are labeled with the company name or logo and the packaging should include the date of mask expiration. Yes, face masks have expiration as the straps can disintegrate compromising the fit.If your mask says “not for medical use,” don't fret. Dr. Pierre explains that most KN95s are made by plants that redirected their efforts from making industrial masks to masks for clinical use.
This mask also checks all the other criteria mentioned above: It's made by a reliable medical vendor, it has the expected components stamped on the exterior of the N95, and it has the over-the-head straps which allow N95s to have a tighter seal.These masks have the typical “boat-shaped” appearance of a legitimate KF94, have the branding stamped on the exterior of the mask, and have an adjustable nose clip to customize fit. The only drawback Dr.
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