Author Topic: Masks  (Read 52232 times)

Online S209

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Re: Masks
« Reply #100 on: June 22, 2020, 03:22:49 PM »
We're falling into the same trap again. Face shields are still infinitely better than nothing.
They are probably better than nothing, but I wouldnít just assume they are in the same league as masks without any evidence.
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Offline yuneeq

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Re: Masks
« Reply #101 on: June 22, 2020, 04:03:17 PM »
They are probably better than nothing, but I wouldnít just assume they are in the same league as masks without any evidence.

I found this article from May 29: https://www.webmd.com/lung/news/20200529/face-shields-may-be-next-step-to-prevent-covid

It quotes a study in JAMA recommending the use of face shields in certain situations, however states there is no evidence about containing the virus: https://jamanetwork.com/journals/jama/fullarticle/2765525

"Of note, no studies have evaluated the effects or potential benefits of face shields on source control, ie, containing a sneeze or cough, when worn by asymptomatic or symptomatic infected persons. However, with efficacy ranges of 68% to 96% for a single face shield, it is likely that adding source control would only improve efficacy, and studies should be completed quickly to evaluate this."

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Re: Masks
« Reply #102 on: June 22, 2020, 04:09:05 PM »
I'm talking about from the wearer. Simulate what singing into a face shield would do to the rest of the room.

So in your experiment are you suggesting spraying at the inside of the shield from a distance of 1", 2" or 3".

Anecdotally, at the LTC facility where my mother stays, they provide the residents with face shield for encounters with visitors. Visitors are required to wear face masks (I don't know what would happen if a visitor tried to come with a face shield) and maintain a distance (all outdoors, for no more than 10 minutes, 1 visitor at a time). 0 infection rate in that facility.
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Re: Masks
« Reply #103 on: June 22, 2020, 04:11:17 PM »
While on the topic of aerosols, is there any study or guidance about airconditioning and ceiling fans? I'd love to find some evidence that would cause 770 to stop using those ridiculous ceiling fans and put the AC to good use.
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Re: Masks
« Reply #104 on: June 22, 2020, 04:17:50 PM »
Heard one time (you'll definitely know better), that the Chabad shita of בור על גבי בור has to do with a proof from tests of colored water whether or not the water from the 2 בורות mix

So in your experiment are you suggesting spraying at the inside of the shield from a distance of 1", 2" or 3".

Anecdotally, at the LTC facility where my mother stays, they provide the residents with face shield for encounters with visitors. Visitors are required to wear face masks (I don't know what would happen if a visitor tried to come with a face shield) and maintain a distance (all outdoors, for no more than 10 minutes, 1 visitor at a time). 0 infection rate in that facility.

Offline gozalim

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Re: Masks
« Reply #105 on: June 22, 2020, 05:15:07 PM »
Heard one time (you'll definitely know better), that the Chabad shita of בור על גבי בור has to do with a proof from tests of colored water whether or not the water from the 2 בורות mix

the shita is not 'based' on that, it goes back to אדמו"ר הרש"ב.
in the silly disputes raised against it in 'modern' times, one of the sides tried to prove something using a methodology like that. I believe that methodology was disproven

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Re: Masks
« Reply #106 on: June 22, 2020, 06:18:23 PM »
Heard one time (you'll definitely know better), that the Chabad shita of בור על גבי בור has to do with a proof from tests of colored water whether or not the water from the 2 בורות mix

That maybe has to do with the requirement to replace the water in the bottom בור occasionally. The fact that the top בור has warm water and the bottom בור has cold water, lends itself to the laws of physics that the water isn't likely to mix that much. I don't think that means the water won't mix at all, just at a much lower rate than it would with a בור בצד בור.
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Re: Masks
« Reply #109 on: June 25, 2020, 06:43:20 PM »
I think this is the proper place to post
Quote or engagement  equals full throated endorsement and vote!
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Re: Masks
« Reply #110 on: June 25, 2020, 07:50:17 PM »
I think this is the proper place to post
Try here

Weíre trying to keep this thread more focused on actual science.
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Re: Masks
« Reply #111 on: June 25, 2020, 07:52:39 PM »
I think this is the proper place to post

No context and fake news. Do you know how many people wear masks every single day? I'm talking without a pandemic.
Failing at maintaining Lurker status.

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Re: Masks
« Reply #112 on: June 25, 2020, 09:18:03 PM »
Try here

Weíre trying to keep this thread more focused on actual science.
Ooh sharp blow.
👌

Is this a censored thread dedicated only to the positive outcomes from masks? Or all related health info?

I agree that this may be a poor way to give over this information but FYI the CDC website has something similar.


This is a PSA for those clearly dehydrating people I saw walking down an deserted sidewalk suffocating on their masks. Immediate definite danger is definitely not trumped by risk of Covid.


I personally saw a parent attempt to put a mask their infant before being stopped by a neighbor.


Read the thread. Definitely not exclusive to science. Last 2 posts: Black people dont need to wear masks and that we shouldnt enforce masks.....

https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/about-face-coverings.html

https://www.cdc.gov/coronavirus/2019-ncov/community/parks-rec/aquatic-venues.html
Quote or engagement  equals full throated endorsement and vote!
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Offline yuneeq

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Re: Masks
« Reply #113 on: June 25, 2020, 09:41:21 PM »
I think this is the proper place to post

The correct thread is right here: https://forums.dansdeals.com/index.php?topic=115066.0

Online S209

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Re: Masks
« Reply #114 on: June 25, 2020, 09:53:58 PM »
Ooh sharp blow.
👌

Is this a censored thread dedicated only to the positive outcomes from masks? Or all related health info?

I agree that this may be a poor way to give over this information but FYI the CDC website has something similar.


This is a PSA for those clearly dehydrating people I saw walking down an deserted sidewalk suffocating on their masks. Immediate definite danger is definitely not trumped by risk of Covid.


I personally saw a parent attempt to put a mask their infant before being stopped by a neighbor.


Read the thread. Definitely not exclusive to science. Last 2 posts: Black people dont need to wear masks and that we shouldnt enforce masks.....

https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/about-face-coverings.html

https://www.cdc.gov/coronavirus/2019-ncov/community/parks-rec/aquatic-venues.html
Sorry? What exactly are we supposed to see in those links? Didnít see anything about not enforcing masks or black people.

I have yet to hear from any medical authorities that wearing masks by the masses will cause a ďsurgeĒ in COVID-like respiratory issues. Iíd bet you havenít either. Not sure if youíre trolling.
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Re: Masks
« Reply #115 on: June 25, 2020, 10:01:32 PM »
I should point out you can pass out from wearing a mask (N95) for long periods of time. Especially if you have underlying conditions.
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Re: Masks
« Reply #116 on: June 25, 2020, 10:03:42 PM »
I should point out you can pass out from wearing a mask (N95) for long periods of time. Especially if you have underlying conditions.
Iím sure itís not good for some people to wear masks for extended periods of time.
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Re: Masks
« Reply #117 on: June 25, 2020, 10:08:37 PM »
Iím sure itís not good for some people to wear masks for extended periods of time.
Even healthy people will have issues with carbon dioxide.

A team of Stanford engineers is developing an N95 face mask to counteract the side effects of oxygen deficiency. In an interview, John Xu, a mechanical engineer behind the effort, said: N95 masks are estimated to reduce oxygen intake by anywhere from 5 to 20 percent. Thatís significant, even for a healthy person. It can cause dizziness and lightheadedness. If you wear a mask long enough, it can damage the lungs. For a patient in respiratory distress, it can even be life threatening.
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Re: Masks
« Reply #118 on: June 25, 2020, 10:13:15 PM »
Even healthy people will have issues with carbon dioxide.

A team of Stanford engineers is developing an N95 face mask to counteract the side effects of oxygen deficiency. In an interview, John Xu, a mechanical engineer behind the effort, said: N95 masks are estimated to reduce oxygen intake by anywhere from 5 to 20 percent. Thatís significant, even for a healthy person. It can cause dizziness and lightheadedness. If you wear a mask long enough, it can damage the lungs. For a patient in respiratory distress, it can even be life threatening.

Interesting. Fortunately, N95 masks are only recommended for medical personnel.
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Re: Masks
« Reply #119 on: June 25, 2020, 10:15:06 PM »
Interesting. Fortunately, N95 masks are only recommended for medical personnel.
Unfortunately I see a ton of people wearing them as I do. Fortunately I am trained in there use.  :)
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