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Lazarus Long Profile picture
@LazarusLong13
Nov 19, 2021 • 17 tweets • 7 min read • Read on X
I never want to hear about valveless respirators again.

H/T @PPEtoheros.



Delta said they weren't accepting them.

And THEN the CDC came out against them.

Despite having 624 valved respirators recommended for HCW's on their website. salon.com/2020/08/22/cdc…

Image
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@Delta @AssistDelta - please get your lobbyists to get the @CDCgov @CDCDirector to undo their RIDICULOUS valved respirator stance.

You broke this. You fix it.
Image
Image
3M says, "Nope, valved respirators are not a problem." Image
NIOSH says, "Nope, valved respirators are not a problem." Image
OSHA says, "Nope, valved respirators are not a problem." Image
CDC says "Nope, not a problem," indirectly, by recommending 624 valved respirators in their database for AIRBORNE disease protection. Image
A wet mask is actually a more permeable mask, and less comfortable. Image
Thank you @FredClarkson and Jonathan Hutson for writing this story!
Someone will reply with this study:


@NIST - NIOSH does not use schlieren imaging as part of its testing for a reason.

Please have Staymates stop with this misinformation - and you stop as well.



pubmed.ncbi.nlm.nih.gov/33244212/
nist.gov/people/matthew…
nist.gov/news-events/ne…
Source control for valved respirators is equivalent to surgical masks.

Per the NIOSH.

healthleadersmedia.com/covid-19/niosh…
Boarding planes with elastomeric respirators is intertwined with this valved thread.

Here is the policy, 1st pic👇


The key sentence:
"Masks containing slits, exhalation valves, or punctures"

The order itself, 2nd pic👇
cdc.gov/quarantine/mas…
cdc.gov/quarantine/pdf…

Image
Image
People have been stopped with the elastomeric

EnvoMask.com
A GVS - the valveless GVS and valved look identical.

Which did not sound fun....
What to do to fly safe?

You are not going to get a chance to argue. Grumpy TSA & gate agents? Not worth the no-fly list.

Some strategies.

1️⃣ A valveless elastomeric respirator w/excellent protection that looks like a mask.

I just bought 4, including 1 for Mom - haven't
got it yet, but have done my usual ridiculous amount of research.

- these last for months, so I'd get black.

2️⃣ Already have an elasto? Wear a surgical mask over it.

📌Always bring a fold flat respirator with no valve tucked into your carry-on,prescientx.com/nano-mask
whether you do 1 or 2.

I like these:



Tested very well with masknerd.

And @projectn95 is guaranteed authentic.

Another winner:
@armbrust_usa's


✅ Great breathability.
✅ Individually wrapped - great for traveling.shop.projectn95.org/demetech-dtn95…
armbrustusa.com/products/usa-m…

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More from @LazarusLong13

Lazarus Long Profile picture
Sep 18
.On the one hand, we have study after study showing 36% or so rate of LongCovid.

On the other, we have the WHO saying the rate of LongCovid is only 6%.

I got curious. What drugs are the WHO smoking - and can I get some?

🧵. Image
My 36% comes from the latest massive meta:
eatg.org/hiv-news/more-…

But what about that 6%?

Turns out it's this old chestnut from 2022.

And there are such major players on it...so many I can't even screenshot them all.

But I fear no title - and neither

jamanetwork.com/journals/jama/… Image
will you.

The problem with this 6%? There are 200+ symptoms in the LongCovid symptoms constellation.

This study focuses on three clusters.

Which is incredibly vague, which is normal for the WHO.

So, after digging through the f***ing supplement, there are a few symptoms Image
Read 10 tweets
Lazarus Long Profile picture
Sep 7
COVID is as transmissible as measles?!

"BUT, BUT, measles can infect up to 90% of people they are in contact with!"

So can COVID.

Time to wake up. The lecturer tried to promote sales of a flax oil product, and many elderly people were lured to attend by the promise of free eggs, Xinhua News Agency reported. He gave three lectures on Jan 10 and 11 in a Tonghua classroom while not wearing a mask, with each lecture lasting about 2.5 hours. A total of 97 people, most of them retirees, attended the lectures in a classroom whose doors and windows were closed, the China CDC report said. The lecturer went to a pharmacy at noon on Jan 10 due to muscle pain and other symptoms, indicating he was likely at an early stage of the disease then, it ...
weekly.chinacdc.cn/en/article/doi…

govt.chinadaily.com.cn/s/202102/20/WS… Image
So, some will be pushing back - always welcome, albeit this is anticipated.

Rnaught is just an estimate.

The famous measles 12-18 is shown below.

But the R0 of 6-8 has the most estimates.

Free
sci-hub.se/https://doi.or…

Pay
sciencedirect.com/science/articl… Image
Read 8 tweets
Lazarus Long Profile picture
Sep 6
Remember THAT scene from Outbreak with Dustin Hoffman - "It's Airborne." ?

SARS-COV-2 is airborne via HVAC. Just like TB is - but it is way more contagious.

Still no panic, right? We know how to be safe.

Motel 6, or AirBNB - no shared HVAC, is best.

But HOW do we know?

🧵
A recent study in South Africa used Syrian Hamsters to duplicate the study that finally convinced everyone that TB was airborne.

The TB study is interesting because the military vets in VA hospitals were getting infected disproportionately.

So, they used HVAC ducting to In 1956, tuberculosis was a major global killer, and it disproportionately affected military veterans hospitalized in the Veterans Administration hospital system. Then, as now with COVID-19, epidemiologists held that tuberculosis and other respiratory diseases were spread by large infected droplets through person-to-person contact or contaminated surfaces. But Richard L. Riley, an expert on lung physiology at the then Johns Hopkins School of Hygiene and Public Health, and his mentor, William F. Wells, had identified another possible mode of transmission.
connect a 6 room TB ward to 150 guinea pigs.

Of those 150, only 3 PER MONTH got infected.

Illustrating that TRANSMISSIBILITY is just a CLUE to if something is airborne.

Dr. Riley went on to patent UVC tech, and develop the Wells-Riley equation which is so important in airborne Atop the Baltimore VA Hospital, they constructed an air-tight closed ventilation system that connected a six-room tuberculosis ward to an exposure chamber with 150 guinea pigs. (Among rodent animal models, only guinea pigs could cough and sneeze, making them ideal for studying how respiratory diseases spread.) The guinea pigs were exposed to the infected air over a four-year period. A second group of 150 guinea pigs acted as controls: their air ducts were irradiated with UV-C lamps to kill TB bacilli.
In the test group, an average of three guinea pigs per month contracted TB, while no controls were infected. The experiment not only proved the airborne disease transmission of tuberculosis for the first time, but also quantified how many TB infections could be expected to result from exposure to a given number of patients over a defined interval.
The insights from the Baltimore VA Hospital studies were later used to develop the Wells-Riley equation, which quantifies infection risk and informs strategies to ensure staff and patient safety in contagious clinical environments. The model can also calculate the risks of transmission for airborne infections on planes and trains, in prisons, and in other public and institutional spaces. As chair of the Department of Environmental Medicine from 1960 to 1977, Riley warned that the danger of infection from airborne diseases was increasing as people spent more time indoors and air conditionin...
Read 8 tweets
Lazarus Long Profile picture
Sep 1
Plaque, Stephan's Curve (Imperative) mixed with breakfasts that you can brush immediately after.

It's actually best if you brush immediately up on waking up. This gets the overnight plaque.

It starts forming 4-6 hours after you sleep - your saliva is 20 millititers/hr Dental Plaque on the bristles of a used toothbrush. Yep, that came out of your mouth.
- during the day. At night? Just 3-6 ml.

Saliva washes away the bacteria, it contains bicarbonate, phosphate, and protein buffers that neutralize the acids being pooped out by the bacteria.

It also has the below ingredients. Who knew saliva was so cool?!

Or plaque? Antimicrobial Components Lysozyme: breaks down bacterial cell walls. Lactoferrin: binds iron, starving bacteria. Peroxidases: inhibit bacterial metabolism. Immunoglobulin A (IgA): prevents bacterial adhesion to teeth.
Plauque forming bacteria.
By brushing first thing, fluoridating, and then waiting a 1/2 hour before eating, you just prepped your teeth for their Acid Trip through the day.

Like if you like salsa on your breakfast burrito like I do.

But what is a good breakfast if you have NO TIME to wait for the 60 tripping the light fantastic.
Read 35 tweets
Lazarus Long Profile picture
Aug 27
Ah, it's that time of year again. The pitter patter of children's feet. The laughter of high school students as they flirt with each other.

The coughs of their parents.

Is a Portable Air Cleaner (PAC) on a desk aimed at the wee ones' faces going to protect them? Spicoli from Fast Times at Ridgemont High with a Levoit Air Cleaner pointing at his face braced up with a weight. In the middle of his pizza. Not cool, man, not cool.
TLDR? No. They need to be in a N95 or KF94 purchased from legit distributors, not from Amazon, and eat their food outdoors, spaced far enough away from their friends so as not get infected. Or use @sipmask and protein shakes at lunch in the cafetaria.

You need to teach them
about how it can take as little as one breath of uncleaned-air to get infected (100 virions study on my profile). How it can mess them up in terms of their entire body.

You need to have the "Birds and the Bees and Covid" talk, in other words.

But will a PAC aimed at their
Read 24 tweets
Lazarus Long Profile picture
Aug 23
People often underestimate the power of having someone with the reputation of Wolfgang Leitner, weighing in.

This is truly a significant development.

Personally, I prefer to let the studies do their own talking, but Voice Of Authority bears considerable weight in the real world
Just a few awards Image
An actual Conference Organizer. You underestimate the political savvy and pull this takes - and gives them. Image
Read 7 tweets

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