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Millions of counterfeit N95 masks distributed to health care workers in the U.S. [nbcnews.com]
expired Posted by eb23air • Dec 4, 2020
Dec 4, 2020 2:58 AM
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expired Posted by eb23air • Dec 4, 2020
Dec 4, 2020 2:58 AM
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N95 masks are a single use item. They were never designed, intended, or tested to be used more than once. As in, not use for a day, take on and off, all shift. Put it on, take it off, throw it in the trash. Guess what emergency and ICU physicians and nurses have been doing for months? Re-using N95 masks, because there is not much in the way of other options.
Is there some kind of reliable testing and certification of the efficacy of these masks after use and some sort of decontamination procedure? I very highly doubt it.
Do we have data on how long the virus is stable (lasts) on certain surfaces? Yes.
https://www.nejm.org/doi/full/10....jmc200497
https://www.nejm.org/na101/home/l...73_f1.jpeg
Whether you place a mask in a paper bag or a ziplock bag, it seems very unlikely that the virus will meaningfully remain on it after say a week.
If we say that it is "decontaminated," then, the question is, does it still work as intended after re-use? That is a question of fit and filtration. Does it still fit well enough that air is not constantly going around the mask? Does the filtration integrity last? Hard to say. You can get some sense of this yourself. Is it soiled? Is it frayed or destroyed? Is she shape deformed? Etc.
I re-use these.
Also, I sometimes go to multiple store in one trip, so mask gets taken off and put back on for the next store. Total time spent in-door in such scenario would be say 2 hrs
Please advise
you get 2 masks with 24 kn95 liners
https://www.costco.com/bondir-air...94708.htm
And can buy 48 liners for only 22.99
https://www.costco.com/bondir-air...94701.htm
Commercial grade ones used by healthcare can only be used up to a certain time and with efficiency due to the mask having an additional electrostatic pull component that makes bacterias and viruses latch on to the mask and hold it as opposed to standard masks that actually filtrate by making the holes tiny.
You lose that electrostatic component advantage the longer it's used and when washed.
This is a pretty good video explaining it
https://youtu.be/eAdanPfQdCA
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I am not sure. I looked because someone mentioned costco. I would hope it's not plastered to your face
Also, I sometimes go to multiple store in one trip, so mask gets taken off and put back on for the next store. Total time spent in-door in such scenario would be say 2 hrs
Please advise
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