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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
Image
@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
May 26
Thank you @BarryHunt008 for flagging this.

@ThailandMedicaX, retweeted by some because of their controversial takes (ahem, their lies?), is saying that FAR-UVC is dangerous because somehow the light will get into the lungs.

Lol.

They are just apparent supplement grifters.

🧵 Image
I noticed they were using @NukitToBeSure's excellent torches as their example picture.

Strange to be so selective of an example picture for someone purporting to be an independent news source on health.

Hmm. I helped defend Nukit against charges of Image
racism by a very nasty couple who it turned out just do not like UVC, personally. I wonder....

Yep, ThailandMedicalX has blocked me.

But, it's weird for a purported news source to block someone like me @gorskon
@doritmi @19joho.

And them blocking me, is probably because Image
Image
Read 21 tweets
Lazarus Long Profile picture
May 25
You've heard of "The Three Problem." - great book, and excellent Netflix series.

If you want to be avoid catching Covid, you probably have "The Empty Room" situation in the back of your mind.

How long after a room had people in it, can you safely demask?

Thread.
/1 3 body problem netflix cover showing a eye with a countdown running in it. That was a countdown to each person's death.
Measles was thought to be airborne after a child caught measles an hour after the infected child left the same office.

.

Interestingly, you can see the reluctance in blue below to call measles airborne. Much like the WHO with @mvankerkhove researchgate.net/publication/19…In February 1981, a measles outbreak occurred in a pediatric practice in DeKalb County, GA. The source case, a 12-year-old boy vaccinated against measles at 11 1/2 months of age, was in the office for one hour on the second day of rash, primarily in a single examining room. On examination, he was noted to be coughing vigorously. Seven secondary cases of measles occurred due to exposure in the office. Four children had transient contact with the source patient as he entered or exited through the waiting room; only one of the four had face-to-face contact within 1 m of the source patient. The...
which spent millions to rebrand SARS2 as "through the air" rather than airborne.

It is an inconvenient truth that then leads us to the study showing an #EmptyRoom SARS2 infection at 1 hour and 43 minutes, and FOUR HOURS and FORTY-FIVE MINUTES.

In this study, it comes with Experimental evidence suggests that SARS-CoV-2 remains viable within aerosols with a half-life of approximately 1-3 hours, though changes in aerosol microenvironment may shorten viability to minutes. However, it remains unclear how long airborne SARS-CoV-2 can transmit infection. Whole genome sequencing of nasopharyngeal samples obtained from patients on an outbreak unit suggested in-room transmission of the delta variant, AY3 lineage, of SARS-CoV-2 to two patients admitted 1 hour, 43 minutes and 4 hours, 45 minutes after discharge of an asymptomatic infected patient. These findings suggest...
Diagram showing 1 hour and 43 minute and 4 hour and 45 minute infections.
Read 30 tweets
Lazarus Long Profile picture
May 23
Mum's the word - if @SecKennedy is Mum.

You see, I have been a VERY FOCAL CDC critic. But you can't criticize without listening.

And I have been noticing that that the CDC has been very, very quiet.

NPR noticed as well. Image
This is crazy. Image
Yes, the @CDCgov has been deathly quiet.

90 times last year, versus 4 this year.

This is not MAHA.

This is MASA - Make America Silent Again.

And as one of the CDC's most focal critics? We NEED them to be sharing Public Health information. Image
Read 5 tweets
Lazarus Long Profile picture
Apr 28
I have a new thing to say to why I mask.

Ronald Reagan, Michael J Fox, Robin Williams, Lou Gehrig, Bruce Willis.

Alzheimer's, Parkinsons, Lew Body Dementia, ALS, CJD

All of them are dying or are dead from - the common cold.

You see,
One of the main viruses that results in the cold is a virus called OC43.

And it turns out that it's neuroinvasive - and is strongly associated with all of those diseases.

Even though it's just a cold in the beginning. So, those are 5 really bad diseases that I am protecting
myself from.

Kind of like HIV is often just like a cold or a mild case of flu in the beginning.

So, yeah, I mask so I don't catch a cold.

Or Covid - which is also neuroinvasive, and let me tell you all about the horrible things it does to your body much quicker....

(They
Read 7 tweets
Lazarus Long Profile picture
Apr 26
Safer showering and swimming with great breathability!

Others have used a snorkel w/ N95s - but those then collapse around the snorkel, and breathability is more restricted. This new approach is w/ an internal BRACE!

I took a shower with this, and it worked perfectly. Build 🧵 Image
This is a great technique, but I was looking for something with more breathability.

Image
This is the internal brace, and how the magic happens.

My subconscious must have picked this up from surgical mask braces that go under surgical masks.

So, here's the build. Image
Image
Read 27 tweets
Lazarus Long Profile picture
Apr 24
Got bored. Let's just check out Google Scholar and E Coli. Oh my. Oh my, that's not good.

Yes, yet another episode of "that's airborne, TOO?!!!!!"

THREAD
Pigs:
"Airborne E. coli were isolated from indoor air,....and downwind air samples (10, 50, 100, 200 and 400 m away) for five swine houses" (1)

Cows:
"E. coli was isolated in both inside and outside air, even in samples taken 150 m from the farm." (2)

READY FOR THE FUN ONES?
Restaurants:
"E coli was identified as the most prevalent illness-causing bacteria in Zone A-derived aerosols (721 CFU)"
(3)
Hospital:
"The results also showed that airborne bacterial pathogens were present in all the sampled hospital wards." (4)

Ready for another fun one?
Read 6 tweets

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