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Author Topic: Masks  (Read 5769 times)

blumenkraft

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Re: Masks
« Reply #150 on: July 16, 2020, 12:44:34 PM »
After universal masking was implemented at Mass General Brigham, the rate of COVID-19 infection among health care workers dropped significantly. "For those who have been waiting for data before adopting the practice, this paper makes it clear: Masks work."

Association Between Universal Masking in a Health Care System and SARS-CoV-2 Positivity Among Health Care Workers

Link >> https://jamanetwork.com/journals/jama/fullarticle/2768533
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Sigmetnow

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Re: Masks
« Reply #151 on: July 18, 2020, 03:39:20 PM »
A new survey finds hundreds of McDonald's workers have been assaulted by anti-mask customers, as mandatory masks become the norm
Quote
As mask requirements becomes the norm during the coronavirus pandemic, companies are facing looming questions on how workers can safely enforce new policies.

A Service Employees International Union survey of 4,187 McDonald's workers shared with Business Insider found that 44% of respondents said they had been verbally or physically assaulted after confronting customers who weren't wearing masks.

While the SEIU only surveyed a small proportion of the chain's more than 800,000 workers in the US, the 44% of respondents alone represent more than 1,800 employees who say they have been assaulted on the job.
...

The United Food and Commercial Workers Union has similarly pushed for retailers to roll out national mask policies, with president Marc Perrone saying on Thursday that Target and Walmart's announcements were "long overdue."

"Every retailer and grocery store across this nation must adopt a mask requirement, and enforcement must be done by trained professionals, not retail workers already stretched thin during this crisis," Perrone said in a statement. ...
https://www.businessinsider.com/workers-face-verbal-and-physical-assaults-from-anti-mask-customers-2020-7

[FWIW, I note that the drivethru photo in the article is not from US (it hasn’t been reversed, because the “Quatro” emblem on car is correct).  The article is by Business Insider, owned by German publishing congomerate with known history of articles with a negative slant (e.g., anti-Tesla).  So be cautious in interpreting it.]
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blumenkraft

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Re: Masks
« Reply #152 on: July 19, 2020, 08:09:14 PM »
Interesting!

“It has been shown that only those employees who had plastic visors were infected. There was not a single infection among employees with a mask.”: Swiss government warns against face shields

Link >> https://www.thelocal.ch/20200715/only-those-with-plastic-visors-were-infected-swiss-government-warns-against-face-shields/
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SteveMDFP

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Re: Masks
« Reply #153 on: July 19, 2020, 08:17:12 PM »
Interesting!

“It has been shown that only those employees who had plastic visors were infected. There was not a single infection among employees with a mask.”: Swiss government warns against face shields

Link >> https://www.thelocal.ch/20200715/only-those-with-plastic-visors-were-infected-swiss-government-warns-against-face-shields/

Thanks for this.  It *is* interesting, and potentially quite useful.  I would think that face shields might add a bit of protection against transmission to the eyes.  But probably this is a minor risk compared with the physics of inhaling air (and its suspended particles) through mouth/nose, but not eyes.  The relevant passage from the article here is:
"Plastic face shields should be worn in tandem with a face mask, say cantonal authorities."

Cheers.

blumenkraft

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Re: Masks
« Reply #154 on: July 19, 2020, 08:18:50 PM »
Welcome, Steve. Cheers! :)
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blumenkraft

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Re: Masks
« Reply #155 on: July 21, 2020, 08:40:21 AM »
Growing Body Of Evidence Suggests Masks Protect Those Wearing Them, Too

Link >> https://www.npr.org/2020/07/20/893227088/growing-body-of-evidence-suggests-masks-protect-those-wearing-them-too

The viral dose is key! If you initially get a very high dose of virus, you turn out sicker. A mask can lower the viral dose you are exposed to even though they don't filter out everything. This might just be the difference between surviving the illness - or not.
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vox_mundi

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Re: Masks
« Reply #156 on: July 25, 2020, 04:08:43 AM »
“There are three classes of people: those who see. Those who see when they are shown. Those who do not see.” ― Leonardo da Vinci

Insensible before the wave so soon released by callous fate. Affected most, they understand the least, and understanding, when it comes, invariably arrives too late

blumenkraft

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Re: Masks
« Reply #157 on: July 25, 2020, 06:31:30 PM »
Art!

"Is a thin line 'tween heaven and here" - Bubbles

blumenkraft

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Re: Masks
« Reply #158 on: July 26, 2020, 09:23:33 PM »
The viral dose is key.

Via Fox News!!

Mounting evidence shows masks may help avoid severe illness, even if you get COVID-19

Link >> https://outline.com/paBagK
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Tom_Mazanec

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Re: Masks
« Reply #159 on: August 04, 2020, 01:38:06 AM »
Anti-masks from a conservative Catholic canon lawyer:
Can We Be Required To Wear Masks At Mass?
https://canonlawmadeeasy.com/2020/07/30/can-we-be-required-to-wear-masks-at-mass/#more-3245
For some reason I am unable to copy and paste this, but disclosure - I wear a mask at Mass.
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Florifulgurator

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Re: Masks
« Reply #160 on: August 04, 2020, 06:17:21 PM »
Google image search on my avatar image gives "wood". In fact it is the lower part of David Hilbert's tombstone.

Tom_Mazanec

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Re: Masks
« Reply #161 on: August 04, 2020, 06:27:45 PM »
Of course our great-great grandparents were much more sensible than us, right? They would not have protested wearing masks to fight a deadly disease...they knew what disease could do. This anti-mask nonsense is just an example of how stupid the 21st Century is, right?
WRONG!
https://en.wikipedia.org/wiki/Anti-Mask_League_of_San_Francisco
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blumenkraft

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Re: Masks
« Reply #162 on: August 04, 2020, 06:35:36 PM »
That's a cool video, Martin. Thanks for sharing.
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Tom_Mazanec

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Re: Masks
« Reply #163 on: August 05, 2020, 12:40:31 PM »
Houston Mayor Orders $250 Fines For People Who Refuse to Wear Masks
https://summit.news/2020/08/04/houston-mayor-orders-250-fines-for-people-who-refuse-to-wear-masks/
Quote
“For months, we have been focusing on education and not citations, but now I am instructing the Houston Police Department to issue the necessary warnings and citations to anyone not wearing a mask in public if they do not meet the criteria for an exemption,” the mayor said Monday at a press briefing.
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vox_mundi

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Re: Masks
« Reply #164 on: August 08, 2020, 03:32:50 AM »


Electric Cooker An Easy, Efficient Way to Sanitize N95 Masks, Study Finds
https://medicalxpress.com/news/2020-08-electric-cooker-easy-efficient-sanitize.html
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longwalks1

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Re: Masks
« Reply #165 on: August 08, 2020, 08:45:24 PM »
The caveats underneath the video on the original Youtube page give one cause to re-evaluate this as a S.O.P. 

Quote
Uh... I think this is only good for masks with woven elastic straps.  212F for 50 minutes?  Anything plastic, or nitrile will likely melt with this method.  Not good.  If you only used it on an 1860 model, you should not generalize the study to include all N95s.  Did you even test the 1860S?  I'll stick with UVC for the time being.  I understand there aren't enough studies yet, but if it's good enough to kill C. diff, I think it'll kill SARS-CoV-2 without much trouble.


Quote
FreeBird Safety Services
1 day ago
As a professional Respirator Fit Tester with over 1500 people fit tested in the medical and dental 8 since Feb. 2020, I have some questions. Did you only perform this test on the 3M 1860? How did it fare with a 3M 8210? As you know the 8210 has rubber straps for donning. Did they melt.
It, s not just the filtration that's important, but pressure onto the face when Donning a respirator is just as vital.
Do to the KN95 from China saturating the market, was this test conductet on them as well.
One final question. How did you conduct the fit test that proved the 1860 was still achieving a 100% seal to a person's face.

Tom_Mazanec

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Re: Masks
« Reply #166 on: August 09, 2020, 04:21:47 PM »
Europe's Top Health Officials Say Masks Aren't Helpful in Beating COVID-19
https://fee.org/articles/europes-top-health-officials-say-masks-arent-helpful-in-beating-covid-19/
Quote
The problem with mask mandates is that public health officials are not merely recommending a precaution that may or may not be effective.

They are using force to make people submit to a state order that could ultimately make individuals or entire populations sicker, according to world-leading public health officials.

Irregardless, I am still wearing my masks. Even my Trumpist guardian wears masks.
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blumenkraft

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Re: Masks
« Reply #167 on: August 09, 2020, 04:40:08 PM »
Well, those are not Europe's Top Health Officials. Never heard of them to be honest. So the article is lying from the get-go.

But of course they do the water carrying since they are the outlet for a libertarian think-tank.
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Villabolo

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Re: Masks
« Reply #168 on: August 12, 2020, 02:45:18 PM »
I've got an Israeli - old school - military gas mask and a Russian one. The Israeli mask makes me look like a scuba diver from the head up. The Russian one makes me look like an alien, particularly the one that Han Solo shot at the bar in Star Wars. They are both NBC rated, providing protection from nuclear, biological and chemical agents. Their filters don't last long, though.

I wore the Israeli one at the supermarket just to see people's reaction. No one gave me a second look.



Israeli NBC gas mask



Russian gas mask


Other than that, I have a N-95 respirator, like the one that hospitals use. I had to remove the yellow elastic bands which wear out after a few uses. I replaced it with a sturdy elastic band. I launder it along with my regular laundry and hang it in the sun to dry. The sun's UV is a good sanitizer.
« Last Edit: August 12, 2020, 02:54:00 PM by Villabolo »

blumenkraft

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Re: Masks
« Reply #169 on: August 12, 2020, 04:09:03 PM »
Well, there is no debate about the efficacy of those.  ;D
"Is a thin line 'tween heaven and here" - Bubbles