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Lazarus Long Profile picture
@LazarusLong13
Feb 16, 2022 • 22 tweets • 16 min read • Read on X
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@kprather88 @jljcolorado @DrEricDing @HuffmanLabDU @YouAreLobbyLud @akm5376 @jvipondmd @First10EM @AliNouriPhD @lisa_iannattone @AndrewHewat

This thread is intended to hold up a mirror to the World Health Organization.

If a disease is airborne, does it make a sound?
If the World's Public Health Organization recognizes CoVid as airborne, does it make a sound? (Psst - it's airborne!)

Or does it release it quietly 2 days before Christmas?

Let's take a tour of the WHO's official announcements that CoVid is Airborne.

There was none - functionally.

It was released the week before Christmas.

Quietly.
December 21, 2021, @DrMikeRyan put out this video from the WHO account:

Where he never uses the word airborne.

December 22, 2021. @PeterASinger, special advisor to Dr. Tedros, releases this quiet statement regarding update to mode of transmission.

Let me stress how grateful I am that the WHO finally recognized #CoVidisAirborne.

Since then, have we

seen a huge media push from the WHO?

No.

And the effects of that lack? Are noticeable.

We continue to see the most of the field of IPC (with the notable exceptions of @VicLeungIDdoc @EvonneTCurran @eliowa @kalisvar ) continue to insist that CoVid is not airborne.
We see this play out in hospitals across the world.

With surgical masks being deployed as clinically equivalent to N95's/ FFP2/ FFP3.

We also see this play out in public health departments around the world.

WHO -> Country CDC -> State/ Province Public Health -> County/
District Public Health Department.

In YOUR local department, do YOU see them saying CoVid is airborne?

No.

We need more from the WHO. They should be saturating the airwaves.

I should be sick of seeing "CoVid is airborne" in all the WHO twitter accounts I follow.
Here's the mirror that I mentioned - I wanted to be very careful to give credit where credit is due.

@DirOPSPAHO - kudos for being the only WHO regional director whose official Twitter account, @pahowho, has said CoVid is airborne.

twitter.com/search?q=from%…

Let's see the rest. Image
@doctorsoumya - chief scientist, but tweeting in her personal capacity per her profile page

Counts. But doesn't actually count. (Still thank you!)

twitter.com/search?q=from%… Image
@DrTedros - anything he says from Twitter is official. Not tweeting in personal capacity.

Has not corrected the below tweet. And yes - the WHO has corrected tweets before.

I have the receipts.

twitter.com/search?q=From%… Image
@DrMikeRyan - anything he says from Twitter is official. Not tweeting in personal capacity.

twitter.com/search?q=From%… Image
@mvankerkhove - clearly labeled that she is the COVID-19 Technical Lead. Not tweeting in personal capacity.
twitter.com/search?q=from%… Image
From @gabbystern

My apologies - there's no nuance anymore. CoVid is airborne. And we are still not ready.

twitter.com/search?q=from%… Image
The official @WHO account.

twitter.com/search?q=from%… Image
@takeshi_kasai's @WHOWPRO has not said #CoVidIsAirborne - nor corrected the tweet below.

You'll notice that TB is clearly labelled as airborne below this tweet.

twitter.com/search?q=from%… Image
Dr Poonam Khetrapal Singh's @WHOSEARO has NOT said #COVIDisAirborne. Nor corrected the below tweet.

twitter.com/search?q=from%… Image
@MoetiTshidi's @WHOAFRO has NOT said #CovidIsAirborne. Has said TB is.

twitter.com/search?q=from%… Image
Dr Ahmed Al-Mandhari's @WHOEMRO has NOT said #COVIDisAirborne

twitter.com/search?q=from%… Image
@hans_kluge's @WHO_Europe has NOT said #COVIDisAirborne

twitter.com/search?q=from%… Image
At the start of every disaster movie, there's a scientist that's ignored.

Turns out there's also a World Health Organization that can easily let the world know loudly that CoVid is airborne. Image
Or not.

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More from @LazarusLong13

Lazarus Long Profile picture
Jul 27
AVERAGE CO2 in the dead space below an N95? 1-3% - or 10,000 to 30,000 ppm. Scary?

No. You see that's the average.

Humans have focused on average or peak exhalations/waveforms.

We haven't studied the LOW POINT with capnography.

We have done it with simulations. Image
There are no published experimental (human) capnography studies inside N95 dead space that show the CO₂ dropping down as low as ~0.4% within a single exhalation. Human trials typically measure peak or average values rather than full breath waveforms.
As you can see, the amount of CO2 in the N95 goes down.

Why? Because the air around us has so much less CO2. When we inhale, it mixes with that high CO2.

Dilution and diffusion both at play.
journals.plos.org/plosone/articl…Image
As all of us who has ever worn a mask/N95, which is most of the world, knows, we don't suffer the effects of inhaling 30,000 ppm all day.

Lets look at this a different way.

What if we were in a room with huge CO2? That's what antimaskers are implying is going on.
Read 11 tweets
Lazarus Long Profile picture
Jul 27
How NOT to Science. A time travel thread and magic.

This is Helmut Traindl - the engineer who devised the procedure behind Walach CO2 study that was retracted after 16 days:
jamanetwork.com/journals/jamap…

Then, republished by Dr. Domingo just 6 months later.
sciencedirect.com/science/articl… Image
@RetractionWatch had an interesting write-up on how it was republished by Dr. Domingo.

It rings of plausible deniability. Except it smells vaguely of bad faith.

retractionwatch.com/2022/08/01/one…Image
Turns out that @TecnATox was founded, and is directed by Dr. Domingo.

You'll be hearing from me, Dr. Domingo - and a rather lot more people, once I get done writing all of this up.

You see, I found the pilot video.

Read 14 tweets
Lazarus Long Profile picture
Jul 24
So, in your apartment or hotel, we saw below how its heated facade, or front, could drive your downstairs neighbor cough into your lungs.

Let's step inside your living room now, and step forward in time to winter.

What happens if your sick neighbor is seated in that living /1
room?

Where is the worst place for them to be seated if you have your heat coming from a heat register up on the wall?

Next to your cold window.

The cold air cools your sick neighbor's exhaled infectious air, and drives it to the ground.

Where it sidles along until Image
Image
you and your family's bodies' thermal plumes pick up that air, and lifts it up to your faces to be breathed in.

Or....to put this in another way....if you go to a coffee shop as I like to do, and you see someone coughing next to a cold window? Do not dawdle.

Leave.
Read 7 tweets
Lazarus Long Profile picture
Jul 21
I looked at your thread @moog77 . The reason that epidemiological didn't work (cases continued to go up)? Is the same reason the 2023 Cochrane fails, ironically, after you touted it as the "gold standard."

Not because clean air doesn't reduce cases. It empirically does. It
just doesn't do it where it's not being applied.

What do I mean?

2023 Cochrane "the gold standard" - for community masking is based on a few studies.

One is Alfelali (2020) set in the Haji season
pmc.ncbi.nlm.nih.gov/articles/PMC75…
2 to 3 million religious pilgrims crammed into a few locations, sleeping 50 to hundreds in tent, head to toe.

Respiratory disease is typically 50% in total. Perhaps the single largest mass infection in history, year after year.

A few of them given surgical masks, and told
Read 13 tweets
Lazarus Long Profile picture
Jul 21
Do you live in an apartment or stay in hotels?

Got a "oops, outside air can get you" study. Coming out of Beijing University of Technology - taking airborne transmission seriously.

They rented 50 rooms of a building. Did some very cool CFD work - then, be still my heart, Image
followed it up with tracer gas experimentation.

See room 303 above? 403 and 503 got whatever came out of 303.

With studies like these, there are so many variables. But, if I lived in an apartment, I would set have at least a PC fan CR Box next to those open windows.
Or an HRV set up in that window. And for sure a PC fan CR box next to the front door for under the door airflow.

x.com/VentiloAngel/s…

Not HRV, but equally valid
x.com/Engineer_Wong/…
Read 17 tweets
Lazarus Long Profile picture
Jul 20
Swimming and showering.

Below is the thread of collected "swimming/ showering safer in indoor shared air" solutions, so far.

You might be thinking that the chlorine smell protects you near the pool. Chlorox is great.

But you would be thinking incorrectly.

Thread. Filti media wrapped out an inside brace made out of zip ties. Laugh all you want, but it works, yo.
Have there been indoor swimming pool transmission events? Yes.

jamanetwork.com/journals/jaman…

pubmed.ncbi.nlm.nih.gov/34606662/

And more.

Were they in the swimming pool or in the more likely shower/ locker rooms or lobby? Nobody has teased that out.
You do not smell chlorine gas in the pool. If you were actually smelling real chlorine gas, you had better start running for the door.

You are smelling trichloramine - from sweat, urine, body oils when there is not enough free chlorine.

frontiersin.org/articles/10.33…“It is a common misconception that a strong chlorine odor is caused by too much chlorine in the water. The odor is actually caused by chloramines (combined chlorines) off-gassing from the pool water surface. Chloramines are formed in the pool water when there is insufficient free chlorine in the pool to address the nitrogen-containing compounds brought into the pool water by the swimmers. These nitrogen compounds are naturally occurring and contained in sweat, urine, body oils, and other proteins that get released into the pool water. If the introduction of these nitrogen compounds outpace...
Read 29 tweets

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