SARS-CoV-2 Coronavirus (COVID-19)

that is irrelevant to the conversation. would that uncle joe had issued n95's to all americans and opened fitting centers nationwide, we wouldn't have to rely on swiss cheese.

and yet, i maintain that some swiss cheese is better than no swiss cheese, unless you don't like swiss cheese

 

True, but the cloth "face diapers" don't act as a check valve.
Don't block one way....probably doesn't block the other way either.

Besides.....I remember one "study" that theroguessed that the 'neck gaiters' people sneered at back when surfaces were a 'thing' actually served to aerosolize big, gloppy slow moving droplets into the more agile floaty kind.
(FWIW....I thought that this was balloon juice too!)

Cloth masks ain't nothing.
BUT....they're not far from it, and if I had a nickel for every time I heard somebody say "Hey, don't worry. I'll wear my mask!!" I'd have enough money to wear N95 masks and change them out every day.

SO.....there are probably a number of non-vaccinated people who feel MORE protected and thus take MORE chances BECAUSE of the face masks than if they realized that their chances of NOT riding a vent would be better if they just........stayed home...or perhaps became a 'vaccinated person' AND stayed home...AND wore a face diaper when they went out....AND stayed away from other folks.....

No 'clicks' in THAT though....so no "studies."

Good strategery!

Time.
Distance.
Shielding.

 

i haven't read anything from the cdc about home made masks or less than n95 masks being completely worthless for covid protection, so please, feel free to correct me

 

I don't think that responds to the thrust of the linked swiss-cheese article, which wasn't doing much but summarizing at least thirty years of understanding that in safety and security precautions, layering slices of cheese is the only option reality offers us.

That's not an 'and yet', that was the point.

 

Those type of respirators are for protecting the wearing, and are a different class than a basic mask. You can choose to wear one for COVID, but they are far less comfortable than the face mask.

The point of a face mask is to keep stuff spewing from your respiratory system from getting to a sensitive area. If they didn't work in clean rooms and surgery suites, they accountants would have long gotten rid of them.

The first thing your exhaled breath hits will be the mask material, where some particles will be filtered out, or get deposited by the change in airflow direction. Others will go out the sides of the mask, but the flow around your head and neck means they won't travel as far away from you as when breathing out with no mask.

 

Comparing SARS-CoV-2 natural immunity to vaccine-induced immunity: reinfections versus breakthrough infections

Comparing SARS-CoV-2 natural immunity to vaccine-induced immunity: reinfections versus breakthrough infections | medRxiv

 

we wait for peer review?

 

"u.s. spy agencies deliver 90 day report to president biden. conclusion: nothing new was learned, and will not be without more cooperation from the chinese.
u-s-spy-agencies-unable-to-pinpoint-source-of-covid-19-pandemic-classified-report-shows-11630093087

 

dizmaland made us wear their (probable outsourced) custom DIY looking cloth/washables. Any color u want - as long as it's this blue print. We were told there practically the same as the 95's .... according to the 'science'.

maybe diminish - rather than block.

.

 

that'll be a collectors item someday

well written article:
breakthrough-cases-wont-stop-pandemic

 

Not really. N95s are intended for filtering particles >0.3 um. Those tobacco smoke particles peaking at 0.2-0.25 um would be expected to have significant blow-through, and more so for the 0.1 um particles. Though it would still be interesting to find the attenuation factors.

While naked covid-19 particles are as small as those smaller smoke particles, few should be expelled naked. Most should be included within aerosols. The first (much too coarse) measurement I'm finding shows peak covid-19 virus numbers in the 2.1-4.7 um aerosols. The smallest size measured by that group, 0.65-2.1 um, carried only a quarter of the total RNA copies.

I need to find additional measurements with better coverage. But this initially suggests that filtering to about 2 um would very significantly attenuate the number of virus copies, significantly extending the exposure time needed to get a minimal infective dose. Properly used N95s filter down to well below that size.

But I'm running on very thin data so far ...

 

Was this the CDC link you were looking for? : Outbreak of SARS-CoV-2 Infections, Including COVID-19 Vaccine Breakthrough Infections, Associated with Large Public Gatherings — Barnstable County, Massachusetts, July 2021 | MMWR

 

thanks sfo! but i'm looking for a link to the cdc study/report that hill's link in post #4520 claims to be quoting. specifically, the data that shows that people who have already had covid have a higher immunity that those who haven't but were vaxxed

 

My understanding is vaccination after COVID-19 results in even higher immunity ... but your mileage may vary,

Bob Wilson

 

i have no understanding, but i have read that the cdc recommends it. and even though they are recommending it, they are more concerned with those who haven't contracted it and refuse to get vaxxed.
i'm still waiting to see data.

 

From this?

CDC-MMWR:
Reduced Risk of Reinfection with SARS-CoV-2 After COVID-19 Vaccination — Kentucky, May–June 2021

"What is added by this report?

Among Kentucky residents infected with SARS-CoV-2 in 2020, vaccination status of those reinfected during May–June 2021 was compared with that of residents who were not reinfected. In this case-control study, being unvaccinated was associated with 2.34 times the odds of reinfection compared with being fully vaccinated."

"(odds ratio [OR] = 2.34; 95% confidence interval [CI] = 1.58–3.47)"

=======
A vaccinated sibling of mine, living in a region with very high vaccine 'hesitancy', had a confirmed breakthrough case earlier this month. At least it wasn't serious. They believe they had the virus infection late last year too, but that was not confirmed.

 

if you figure 200 million with at least one shot, and 120 million having already contracted covid, and subtract out those who are ineligible, we are doing pretty well.
the places with hospital surges are just anomalies of largely unvaccinated people, and no mask mandates