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2015 study on the use of cloth masks vs medical masks
Posted on 7/12/20 at 4:37 pm
Posted on 7/12/20 at 4:37 pm
From The National Center for Biotechnology Information
quote:
Results
The rates of all infection outcomes were highest in the cloth mask arm, with the rate of ILI statistically significantly higher in the cloth mask arm (relative risk (RR)=13.00, 95% CI 1.69 to 100.07) compared with the medical mask arm. Cloth masks also had significantly higher rates of ILI compared with the control arm. An analysis by mask use showed ILI (RR=6.64, 95% CI 1.45 to 28.65) and laboratory-confirmed virus (RR=1.72, 95% CI 1.01 to 2.94) were significantly higher in the cloth masks group compared with the medical masks group. Penetration of cloth masks by particles was almost 97% and medical masks 44%.
quote:
Conclusions
This study is the first RCT of cloth masks, and the results caution against the use of cloth masks. This is an important finding to inform occupational health and safety. Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally. However, as a precautionary measure, cloth masks should not be recommended for HCWs, particularly in high-risk situations, and guidelines need to be updated.
14
Posted on 7/12/20 at 4:39 pm to ell_13
Science is irrelevant
Posted on 7/12/20 at 4:39 pm to ell_13
So don’t wear a cloth mask 
Posted on 7/12/20 at 4:40 pm to ell_13
Anything that is reused will increase chances of infection. This isn’t some super secret discovery.
Every time you take off any mask and then put it back on yu risk contamination it. The problem is people are reusing medical masks, which is a problem.
Every time you take off any mask and then put it back on yu risk contamination it. The problem is people are reusing medical masks, which is a problem.
Posted on 7/12/20 at 4:40 pm to ell_13
But Karen will bash me on facebook if I go to walmart without my face covering!
Posted on 7/12/20 at 4:41 pm to ell_13
Reminds me of HIV/condom talk of the 80s and 90s. People arguing how it can keep a pregnancy from happening, but not designed to keep out virus etc.
Posted on 7/12/20 at 4:41 pm to Salmon
quote:Our government says otherwise.
So don’t wear a cloth mask
Posted on 7/12/20 at 4:42 pm to Captain Crackysack
quote:
But Karen will bash me on facebook if I go to walmart without my face covering!
My favorite is walking out of a big box store and taking my mask off and putting it in my pocket before I fully get outside. I can feel the looks
Posted on 7/12/20 at 4:44 pm to ell_13
If you're using a cloth mask, get/make one that has a pocket for a filter. You can make your own filters from the really good home A/C/furnace filters. Also, wash the mask and change the filter regularly.
ETA: Not sure why I'm getting downvoted for this. I am just saying that this is one way to make a cloth mask a bit better/more effective. There are some situations where people have to wear one, so they might as well make it as effective as they can.
ETA: Not sure why I'm getting downvoted for this. I am just saying that this is one way to make a cloth mask a bit better/more effective. There are some situations where people have to wear one, so they might as well make it as effective as they can.
This post was edited on 7/12/20 at 5:10 pm
Posted on 7/12/20 at 4:44 pm to pwejr88
quote:
I can feel the looks
You pretend it doesn't bother you, but you just want to explode..
Posted on 7/12/20 at 4:44 pm to ell_13
Are you telling me that my old, cut-up t-shirts are not an effective biological safety device?
Well, I'll be damned.
Well, I'll be damned.
Posted on 7/12/20 at 4:45 pm to ell_13
quote:
Our government says otherwise.
I’m aware. They would have to provide masks if they mandated specific types. You know this.
And I’m sure there is some study out there that could refute this study.
I wear a neck gaiter that I can pull up and down when needed. I don’t really care if it’s effective, just as long as it keeps businesses happy.
Posted on 7/12/20 at 4:49 pm to WildManGoose
quote:More than that. The study claims they could be increasing risk/spread. Meaning it’s better to not wear one at all.
Are you telling me that my old, cut-up t-shirts are not an effective biological safety device?
Posted on 7/12/20 at 4:50 pm to Salmon
quote:Gaitor isn’t allowed in Disney World.
I wear a neck gaiter that I can pull up and down when needed. I don’t really care if it’s effective, just as long as it keeps businesses happy.
Posted on 7/12/20 at 4:51 pm to ell_13
Well good thing I’m not going to DW anytime soon
Posted on 7/12/20 at 4:52 pm to ell_13
Posted on 7/12/20 at 4:53 pm to Roll Tide Ravens
quote:
wash the mask and change the filter regularly.
That said, this is about protecting one from those who have it. Hence the mandate. If they're wearing one, they're less likely to launch germs in such a way that one who is clean can be contaged.
This post was edited on 7/12/20 at 4:55 pm
Posted on 7/12/20 at 4:53 pm to ell_13
Yep mask wearers against science
Its their inferior genetics that make them both more prone to getting it and more prone to ignoring the science saying they could be more at risk of getting it
Its their inferior genetics that make them both more prone to getting it and more prone to ignoring the science saying they could be more at risk of getting it
Posted on 7/12/20 at 4:58 pm to ell_13
quote:so they found that cloth masks are worse for healthcare workers than medical masks (duh), but didn’t have a no mask control to see how they performed versus not wearing a mask at all
A limitation of this study is that we did not measure compliance with hand hygiene, and the results reflect self-reported compliance, which may be subject to recall or other types of bias. Another limitation of this study is the lack of a no-mask control group and the high use of masks in the controls, which makes interpretation of the results more difficult. In addition, the quality of paper and cloth masks varies widely around the world, so the results may not be generalisable to all settings.
Posted on 7/12/20 at 4:59 pm to ell_13
But the OT tells me that in a video where some Karen with a bandana over her mouth is recording a guy without a mask, he's the idiot and a-hole making everyone sick.
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