Phlyra
FLOSSing
- Joined
- Jul 25, 2019
- Messages
- 1,517
Why You Shouldn't Wear a COVID-19 Mask That Has a Valve - Slashdot
In some states and major cities, it's now mandatory to wear a mask in public to prevent the spread of COVID-19. That mask could be anything from a handkerchief to a designer cotton mask to a full-blown N95 respirator, so long as you have something between your mouth and nose and the world around...science.slashdot.org
"Why? Because a mask with a valve may protect you from some pathogens in the air, but it doesn't protect the people around you from your own breath."
--ADDED:
Astonishing ! I can't believe that's true:
Confirmed by:
https://edition.cnn.com/2020/05/07/politics/axl-rose-steve-mnuchin/index.html (last paragraph)
Are N95 & KN95 Masks Reusable and How to Wash them? – Smart Air
Data shows using soap and water or alcohol to disinfect masks significantly reduces effectiveness. This method disinfects without harming performance.
smartairfilters.com
Is Washing Masks Effective After Virus Exposure?
With widespread mask shortages, is washing masks a solution for re-using N95 masks? We tested mask particle capture effectiveness before and after washing.
smartairfilters.com
Do DIY Cloth Masks Protect Us From COVID-19? – Smart Air
Researchers built DIY masks from household materials and tested their effectiveness vs. sub-micron particles. Results found they blocked 60% of particles.
smartairfilters.com