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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…

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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.
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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…

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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
Jul 22
🔥 Wildfire season, folks! 🔥

Got a smoky or smokey house from a fire or a BLT sandwich gone wrong?

TLDR;
Make a #CorsiRosenthalBox with activated carbon filters

AND CLEAN SURFACES:
By vacuuming, dusting; then wiping and mopping with a commercial, non-bleach solution. Pic of smoke and fire - hopefully not headed your way.
Huge caveat. The carbon filters will fill up quickly with particulate matter.

While the smoke is ongoing? Regular filters.

After the smoke is over, while cleaning up? The activated carbon filters (ACF).

Someone is working on a variation of the CR Box w/ 3 regular panels,
1 ACF panel. Numbers are still being run. No ETA, so I am going forward with this thread, as is.

⚠️ACFs are also great for paint fumes.⚠️

BTW, this thread will get a fair amount of useful clarifications, so check the end of the thread, in a couple of days.
Read 21 tweets
Lazarus Long Profile picture
Jul 22
A new strategy.

I used this new study, that points to C0vid co-infection with StaphA, worsening StaphA, to write the HICPAC.

The patient safety pages do not recommend N95s.

This allows me to avoid the quarrel of StaphA OR C0vid being airborne.

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And allows me to use their words on N95s being best for C0vid against them.

Soft-copy email below.

hicpac @ - just join these together.

This strategy can be used on every safety page for every disease.

cdc.gov
docs.google.com/document/d/12y…


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- SARS-COV-2
hastens
worsens
X

Find the X CDC safety page. Confirm no N95s recommended. They never are.

And you are off to the races.

Some will think, "this is just some weird internet trick."

This is just us using their system against them.Scholar.google.com
Read 4 tweets
Lazarus Long Profile picture
Jul 19
A NEW Colorado Chicken farm outbreak with 1.34 million.

The one with 5 people confirmed infected, 64 pending, has 1.8 million, 10-14 days of work.

CDC team of 10 has just been dispatched for the 1.8 million.

The farms are about 35 minutes apart (thank you @0bFuSc8!)

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Read 5 tweets
Lazarus Long Profile picture
Jul 16
Holy airborne H5N1.

69 symptomatic workers, 5 positive so far?

150 on antivirals?
It's always been airborne.

This means that it is more transmissible to the humans than before.

Not Covid levels. Probably not even original WT level.

But more transmissible to the humans than before.
Homeland Security moved to Level 2.

Read 8 tweets
Lazarus Long Profile picture
Jul 16
I get it. You need a place to decompress.

So, the Covid Careful tend to take umbrage to outdoor transmission studies.

Outdoors IS safer. But study after study has shown outdoor transmission.

As do these 2 studies.

Catching Covid Camping.

🧵.

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I deliberately began this thread with white men, because the only countries doing these detailed studies are Asian countries. As is this one.

But every time, a tinge of ethnocentrism creeps into replies. Please keep this in mind :) .
Many don't know that measles is airborne outdoors based on an hour long conversation with a young boy and his family, after the Special Olympics. No CCTV. No credit card tracing. No GPS.

Our first study? July 24–26, 2020. South Korea. South Korea had done an
Read 20 tweets
Lazarus Long Profile picture
Jul 15
Great summary below. Some important info not discussed by Dr. Hirschson.

This study adds to RECONFIRMING H5N1 is airborne.

Since seeing is believing, you are one of the VERY FIRST to see what H5N1 aerosols do to a cow lung.

🧵
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This study is by the USDA.

As I have, & will continue to point out, @nirav_uscdc, they continue to ensure dairy workers are NOT told to wear N95s. Or PAPR as indicated would be more comfortable by @RanuDhillon @sri_srikrishna.

But worn here in their lab. By them.
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Aerosols, 3-5 microns, were nebulized into the cows nostrils.

Correction to the study...SOME of those that size will deposit into the Lower Respiratory Tract. Not all. Some will deposit into the Upper Respiratory Tract.

Some will be exhaled, and inhaled again.
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Read 27 tweets

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