"Two very important caveats:"

"Two very important caveats: We only looked at inward filtration efficiency (protecting the receptor, not reducing transmission from the source) and assuming a perfect fit condition."

"As many other papers have shown, even though cloth masks have a low filtration efficiency at 300 nm, they are still good to protect others in case the wearer is contagious."

In response to this post by ModerateHokie

Posted: 09/01/2021 at 12:23PM

Dr Linsey Marr with the link to a mask lab study… -- McLovin 09/01/2021 11:33AM

While I get that any study needs to adhere to the scientific method -- Tafkam Hokie 09/01/2021 3:42PM

How effective are masks when most have their head up their arse anyway? -- Gobble Gobble 09/01/2021 3:42PM

Those people should be wearing them on their bottoms ** -- McLovin 09/01/2021 3:50PM

Cloth masks are starting to be banned -- lchoro 09/01/2021 2:13PM

Show a real world reduction on cas?es with mask mandates -- ColoVT82 09/01/2021 12:47PM

Would have to separate out the correctly worn vs chin guard -- McLovin 09/01/2021 1:54PM

CDC report said less than 2% reduction in cases over 100 days ... -- vt90 09/01/2021 12:54PM

What I want to know is... -- MP4VT2004 09/01/2021 8:09PM

Right ... plus what McLovin mentioned above. A lot of masks are worn ... -- vt90 09/01/2021 8:21PM

Totally agree. I wore N95 masks for the first several months... -- MP4VT2004 09/01/2021 9:22PM

Here r a few graphs i have laying around.... -- ColoVT82 09/01/2021 12:59PM

I read the "Wired" article that someone posted here... -- `lag 09/01/2021 12:41PM

Nothing really new, N95 is best, but others are better than nothing** -- FfxStationHokie 09/01/2021 12:25PM

No where does it say ""nearly useless". Something is better than nothing. ** -- ModerateHokie 09/01/2021 12:20PM

10% efficiency through much of the range is not really helping…point -- McLovin 09/01/2021 12:42PM

If the virus had spread 20% less 6 months ago, we would have been done -- Hokie Chris 09/01/2021 2:57PM

You need to read the caveats. ** -- ModerateHokie 09/01/2021 1:02PM

If the masks worked then we would not be still dealing with it 18 months -- fordham 09/01/2021 12:25PM

Yes, it worked. It bought time for a vaccine. ** -- reestuart 09/01/2021 1:04PM

Lol, they do work exceptionally well if you pick the right one and wear -- McLovin 09/01/2021 12:43PM

Hey, that requires too much of old fordham. ** -- Stork 09/01/2021 1:25PM

Good one. ** -- Stork 09/01/2021 12:39PM

Ah, so you disagree with the VT researchers then. Ok. ** -- ModerateHokie 09/01/2021 12:28PM

"Two very important caveats:" -- ModerateHokie 09/01/2021 12:23PM

Put on a mask in the winter and breathe. That vapor going around the mask -- fordham 09/01/2021 12:27PM

…Johnny Marr -- chumley 09/01/2021 12:19PM

There are dozens of studies that have established that 90% of the masks ... -- vt90 09/01/2021 11:48AM

I will start the popcorn ** -- HokieJamie 09/01/2021 11:48AM

"Two very important caveats:"

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