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Message
Study: Masks don't do much good.
Posted on 5/7/20 at 11:43 am
Posted on 5/7/20 at 11:43 am
University of Minnesota website.
quote:
We do not recommend requiring the general public who do not have symptoms of COVID-19-like illness to routinely wear cloth or surgical masks because:
There is no scientific evidence they are effective in reducing the risk of SARS-CoV-2 transmission
Their use may result in those wearing the masks to relax other distancing efforts because they have a sense of protection
We need to preserve the supply of surgical masks for at-risk healthcare workers.
Sweeping mask recommendations—as many have proposed—will not reduce SARS-CoV-2 transmission, as evidenced by the widespread practice of wearing such masks in Hubei province, China, before and during its mass COVID-19 transmission experience earlier this year. Our review of relevant studies indicates that cloth masks will be ineffective at preventing SARS-CoV-2 transmission, whether worn as source control or as PPE.
Surgical masks likely have some utility as source control (meaning the wearer limits virus dispersal to another person) from a symptomatic patient in a healthcare setting to stop the spread of large cough particles and limit the lateral dispersion of cough particles. They may also have very limited utility as source control or PPE in households.
Respirators, though, are the only option that can ensure protection for frontline workers dealing with COVID-19 cases, once all of the strategies for optimizing respirator supply have been implemented.
Dr. Brosseau is a national expert on respiratory protection and infectious diseases and professor (retired), University of Illinois at Chicago.
Dr. Sietsema is also an expert on respiratory protection and an assistant professor at the University of Illinois at Chicago
28
Posted on 5/7/20 at 11:46 am to prplhze2000
I do not care about this either way, but all the studies on both sides just seem so loosely scientific and too often based on sociological shite.
Posted on 5/7/20 at 11:48 am to prplhze2000
Well, duh.
Posted on 5/7/20 at 11:50 am to prplhze2000
The same article says we need to keep up social distancing. So pick one.
It doesn’t take a rocket scientist to realize that a person coughing or breathing into a mask puts out less aerosolized particles than someone without a mask.
It doesn’t take a rocket scientist to realize that a person coughing or breathing into a mask puts out less aerosolized particles than someone without a mask.
Posted on 5/7/20 at 11:51 am to LSUBoo
Again, said this a month ago. What they are calling a respirator is a N-95 Paper mask, they don’t work great either
Posted on 5/7/20 at 11:51 am to LSUBoo
quote:
There is no scientific evidence they are effective in reducing the risk of SARS-CoV-2 transmission
Just curious what the scientific evidence says in general about social distancing. Seems there's varying opinions on if that does a lot of good. 6 feet? Some say 25. Some say 50.
Posted on 5/7/20 at 11:51 am to prplhze2000
My fiancee sent me a link to a webinar by a well known German DMD/MD that suggested that wearing N95 masks can not only be ineffective in preventing COVID-19 spread but also harmful to users to wear them for extended periods and don't have the proper training realize certain symptons of CO2 toxicity.
Posted on 5/7/20 at 11:51 am to prplhze2000
Masks don’t work but
quote:
We need to preserve the supply of surgical masks for at-risk healthcare workers
Posted on 5/7/20 at 11:52 am to prplhze2000
For the life of me, I cant figure out why anyone would care if someone was wearing a mask. I mean Muh rights but frick you for wearing a mask.
Posted on 5/7/20 at 11:52 am to prplhze2000
quote:
who do not have symptoms of COVID-19-like illness
It is established that asymptomatic people carry and infect people right?
This kind of kills this entire study.
Posted on 5/7/20 at 11:53 am to prplhze2000
there's nothing like walking into a grocery store and looking at teenage workers wearing homemade masks hanging off their chins covering none of their face because their elected politicians told them they had to. It's a completely ridiculous waste of time and makes every single person look like a moron.
This post was edited on 5/7/20 at 11:54 am
Posted on 5/7/20 at 11:53 am to LSUBoo
The only mask that will do something to keep you from getting it via air, is one that 100% filters air down to a less than like .5 micron level. Basically the types of fitted masks that researchers use in BSL3 lab. Respirators are the best because they are typically air leak proof. But generally speaking, it is incorrect to look at the masks the CDC is promoting because they are not prevention from getting anything, they are prevention from spreading something.
Posted on 5/7/20 at 11:54 am to prplhze2000
quote:
Masks don't do much good.
insane that some people want to reopen when we are still learning about this virus and have no cure
Posted on 5/7/20 at 11:56 am to prplhze2000
quote:
Surgical masks likely have some utility as source control (meaning the wearer limits virus dispersal to another person) from a symptomatic patient in a healthcare setting to stop the spread of large cough particles and limit the lateral dispersion of cough particles.
Isn’t that the main argument for wearing them?
Posted on 5/7/20 at 11:56 am to FreddieMac
quote:
But generally speaking, it is incorrect to look at the masks the CDC is promoting because they are not prevention from getting anything, they are prevention from spreading something.
Agreed. I think the idea is keeping an asymptomatic positive from spewing Corona via a cough or sneeze.
Posted on 5/7/20 at 12:08 pm to prplhze2000
There is an easy experiment everyone can do right now to show how good they are.
take a spray bottle. spray it through a mask at a sheet of white paper then remove the mask and spray a different sheet of white paper. Which one gets more wet.
Have a great day.
take a spray bottle. spray it through a mask at a sheet of white paper then remove the mask and spray a different sheet of white paper. Which one gets more wet.
Have a great day.
Posted on 5/7/20 at 12:10 pm to mindbreaker
quote:
There is an easy experiment everyone can do right now
I have a better one.
Take your family, and attempt to feed them with a job.
Now attempt to feed them without a job because the government won't allow you to work over a virus that has a mortality rate of less than 1%, and in the case of some places, 0.005% or less.
Have a great day.
Posted on 5/7/20 at 12:16 pm to FreddieMac
Freddie Mac is correct, the N95 will only help trap Covid-19 virus if it’s attached to water droplets, like in a sneeze, cough etc. it will not stop if it’s airborne. That’s is it’s fit correctly.
The other big problem with them is that they are so damn hot to wear and use, you can’t wear them for long in the South in Summer. They can actually cause you to pass out.
The other big problem with them is that they are so damn hot to wear and use, you can’t wear them for long in the South in Summer. They can actually cause you to pass out.
Posted on 5/7/20 at 12:16 pm to prplhze2000
It either helps a lot or doesn’t help at all or somewhere in between that.
Posted on 5/7/20 at 12:20 pm to TutHillTiger
quote:
What they are calling a respirator is a N-95 Paper mask, they don’t work great either
They aren't paper... there are some surgical paper masks, but they are really just there so the surgeon doesn't accidentally cough or sneeze or spit into an opened up patient. N95s are over 95% effective in filtering out particles that would contain the virus.
If... BIG IF... they are properly worn and fit-tested. And in a medical setting they are intended to be single-use, although they can be reused if properly sanitized.
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