Author Topic: Interesting Articles: COVID-19 Edition  (Read 162871 times)

Offline ExGingi

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Re: Interesting Articles: COVID-19 Edition
« Reply #540 on: August 06, 2020, 04:58:24 PM »
Supposedly if it has a valve (which some N95’s have) it only blocks particles from being inhaled, but not from coming out.

And isn't the protection offered by masks mainly about protecting other from droplets or aerosols being exhaled?

ETA: Just came across the following tweet:

https://twitter.com/xjonnyc/status/1291181890398040065
« Last Edit: August 06, 2020, 05:01:52 PM by ExGingi »
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Re: Interesting Articles: COVID-19 Edition
« Reply #541 on: August 06, 2020, 05:47:45 PM »
And isn't the protection offered by masks mainly about protecting other from droplets or aerosols being exhaled?

For public use, correct. However even for healthcare professionals that use masks for personal protection, it still seems problematic.
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Offline Euclid

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Re: Interesting Articles: COVID-19 Edition
« Reply #542 on: August 06, 2020, 06:13:25 PM »
RWJ Hospital in New Brunswick, NJ has a sign disallowing masks with vents for visitors. No medical workers that I saw there had masks with vents either.

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Re: Interesting Articles: COVID-19 Edition
« Reply #543 on: August 06, 2020, 08:29:49 PM »
And isn't the protection offered by masks mainly about protecting other from droplets or aerosols being exhaled?

That would be the cloth masks, surgical masks etc

If one wore an N95 and got a good seal, the protection offered is obviously for oneself as well.

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Re: Interesting Articles: COVID-19 Edition
« Reply #544 on: August 07, 2020, 05:41:20 PM »

Offline ExGingi

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Re: Interesting Articles: COVID-19 Edition
« Reply #546 on: August 09, 2020, 01:14:52 PM »
RWJ Hospital in New Brunswick, NJ has a sign disallowing masks with vents for visitors. No medical workers that I saw there had masks with vents either.

A new study compares 14 different types of masks for preventing droplet transmission, valved N95 masks are not nearly as bad as many of the masks that people are allowed to use.

https://advances.sciencemag.org/content/early/2020/08/07/sciadv.abd3083.full


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Re: Interesting Articles: COVID-19 Edition
« Reply #547 on: August 09, 2020, 01:41:08 PM »
A new study compares 14 different types of masks for preventing droplet transmission, valved N95 masks are not nearly as bad as many of the masks that people are allowed to use.

https://advances.sciencemag.org/content/early/2020/08/07/sciadv.abd3083.full



Quote
The enclosure (L x W x H: 30 cm × 30 cm × 35 cm)

What does any of this say about how meaningful this study is as it relates to real world experience?
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Re: Interesting Articles: COVID-19 Edition
« Reply #550 on: August 09, 2020, 09:52:03 PM »
https://simpleflying.com/china-southern-unlimited-flight-pass/

Quote
The airline’s “Fly Happily” pass, released Tuesday, allows customers to book as many flights as they want for 3,699 yuan ($528). The deal is valid between August 26th and January 6th.


Coming to an airline near you?
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Re: Interesting Articles: COVID-19 Edition
« Reply #552 on: August 09, 2020, 10:08:13 PM »
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Re: Interesting Articles: COVID-19 Edition
« Reply #553 on: August 10, 2020, 11:06:15 AM »
So... the CDC changed the current best estimate of the IFR to .65% (which is much more in line with reality) without telling anyone. I’m waiting to hear some breathless news reports in another couple of weeks about this “breaking news”.

(They also assume that asymptomatic people are 75% as infectious as symptomatic people, and 50% of transmission occurs before symptoms appear).

https://www.cdc.gov/coronavirus/2019-ncov/hcp/planning-scenarios.html#box

From what I'm seeing in FL, it seems the fatality rate is stabilized at roughly 1.5%. Given the amount of testing, I think the IFR should be ticking up a bit closer to 1%.
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Offline yaakov35

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Re: Interesting Articles: COVID-19 Edition
« Reply #554 on: August 10, 2020, 12:10:13 PM »
From what I'm seeing in FL, it seems the fatality rate is stabilized at roughly 1.5%. Given the amount of testing, I think the IFR should be ticking up a bit closer to 1%.
How do you get those numbers? If you just divide cases by deaths 536k/8200 = .65% which is right in line with what the cdc said. And when the cases count was higher per day the deaths were still low.

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Re: Interesting Articles: COVID-19 Edition
« Reply #555 on: August 10, 2020, 01:45:40 PM »
How do you get those numbers? If you just divide cases by deaths 536k/8200 = .65% which is right in line with what the cdc said. And when the cases count was higher per day the deaths were still low.

8,277 deaths divided by 561,393 cases is 1.47%, unless my calculator is broken. And the number holds up when using alternative methods to calculate the fatality rate, such as using a 14 or 21 day buffer to account for lagging death rates and only including cases and deaths from more recent periods to account for the early undercounting of cases.
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Re: Interesting Articles: COVID-19 Edition
« Reply #559 on: August 13, 2020, 09:51:13 AM »
https://nypost.com/2020/08/12/covid-19-death-rates-reveal-ny-and-nj-are-states-that-failed-the-test/amp/?utm_source=twitter_sitebuttons&utm_medium=site%20buttons&utm_campaign=site%20buttons&__twitter_impression=true

There is a very good case to be made about NY/NJ's failures and mismanagement with regards to the virus, but comparing their fatality rates to states that got hit months later does a disservice to those arguments.
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