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Lazarus Long Profile picture
@LazarusLong13
Feb 26 • 13 tweets • 6 min read • Read on X
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After reading a study, and reaching for my phone, if the first thing I do is check to see if I have @'d someone in the past?

That's not a good sign.

I have never @'d them, and this is not directed @ them.

But this IS a debunk thread.

And it starts with who.

/1
Study here. Before you read it?

This thread is about providing context. Read the thread, @SalvMattera's comments, AND THEN, read the study.

0/10 from me.

thelancet.com/journals/lanep…
Who paid for it? The Dutch government - who has been spectacularly almost Tegnell-like in their downplaying of LongCovid and masks.

Lead authors are from RIVM, their CDC.

RIVM was antimask even when they FINALLY recommended masks in OCTOBER 2020.

nltimes.nl/2020/10/03/dut…Image
Image
RIVM's attitude has transferred to the Dutch doctors - the stories of Longhaulers being gaslit there are particularly bad.

Study
bmjopen.bmj.com/content/15/6/e…

Personal story
turningdutch.com/2024/02/28/the…
So, @rivm has a real need to minimize LongCovid. They will look bad, unless they do.

If I was of a Machiavellian mindset, and wanted to wind down a pandemic, what would I do?

We all know the answer over here, but we are an uncouth lot.

No, run a series of studies that just so
happened to find a reduction in LongCovid. Down to 0.0 in this most recent one.

Actually, EVEN NEGATIVE! It's a miracle! Covid cures LongCovid in the Netherlands!

But where did it start in this magical land of no LongCovid? We 1:1 matched 5621 infected to 5621 uninfected participants. The PCC prevalence, estimated as the marginal mean excess prevalence of PCC-related symptoms between infected and uninfected participants, was 0.2% (95% confidence interval: −1.9 to 2.3, p = 0.84) at 90 days, 0.5% (−1.6 to 2.6, p = 0.63) at 180 days, 0.7% (−1.3 to 2.8, p = 0.48) at 270 days, and 0.0% (−2.1 to 2.1, p = 0.99) at 360 days. Excess prevalence of new mild and severe long-term symptoms self-attributed to SARS-CoV-2 between infected and uninfected participants were both elevated at 90 days (mild: 7.2% (5.1–9.2), severe: ...
Study 1 in the series. By the RIVM. For the RIVM.

They found 12.7%.

Here's part of the trick. The symptoms list is only 23 symptoms long.

Y'all know that there are over 200 symptoms on the LongCovid Symptom Roller Coaster, right?

thelancet.com/journals/lance…Image
Image
And when we look at the latest RIVM study? 23 symptoms.

But they are different symptoms. And yet, the authors of this Magical™️ study say, " See! LongCovid (PCC) has gone down in comparison to those different symptoms."

8-9 are different. How can they make that claim? Image
Image
They can't.

I could go on all day, but I am tagging @davidtuller1 to see if he wants to do a deeper dive.

In particular, the CIS checklist was used. Fun fact- it was developed by those who think ME/CFS is psychosomatic.

I am not a blue check, so see below. Image
@davidtuller1 .Elon's app cut this off. Here's the rest.

This connects the 2025 VASCO study directly to the same Dutch psychosomatic research tradition that Rosmalen herself likes to play in the mud in.

And David tangled with her, for all of our benefit!

virology.ws/2025/04/04/tri…
@davidtuller1 Good observations here.

@davidtuller1 And good observations here.

I would ask what gives with the RIVM and these studies....but we already know.

@davidtuller1 .The Little Dutch Boy is
@rivm.

Behind the dike is COVID and LongCovid.

There is no Magical™️ study, thinking, wishing, or finger that will hold back that pressure.

Silly RIVM. We see you. We really see you. Image

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More from @LazarusLong13

Lazarus Long Profile picture
Feb 27
From the ZeroCovid sub on Reddit.

How DO we do it?

Hyper vigilance, constant exposure calculations, discussing and taking precautions?

How do I do it?

Quick thread. I would like to hear covid conscious folks opinions on this: I have long covid (mecfs + pots + mcas). I’ve been sick to varying degrees since 2022. My life has been severely affected by this. At this point, I can’t work. I am mostly housebound, recovering slowly but I still have to spend some days in bed. Recovery from this is awful, especially because it’s not widely understood. With all that said. I still feel like, for me, a life full of hyper vigilance, constant exposure calculations, discussing and taking precautions…I can’t do it. I don’t want to live that way. How can I approach t...
I don't do it.

I don't do exposure calculations.

I don't have hyper vigilance.

I am Vax, Mask, and Relax.

For me, it's just a series of habits now. Drive to the wherever, hit parking lot, put on N95. Get out of car. Stays on until I get back into the car.
A new vaccine comes out? I get it.

I go stay in a hotel?

2nd floor Motel 6 with no shared HVAC (has the PTAC) . Open door/windows for one hour until complete air exchange.

Go through a drive through? N95 on before window is rolled down. Drive away? I roll down both to
Read 6 tweets
Lazarus Long Profile picture
Dec 21, 2025
Oh, we are cooked. Just cooked.

"Brain Mitochondrial dysfunction, known for ~20 years is finally recognized as a central upstream driver of Alzheimer’s disease (AD), not just a downstream effect."

And SARS2's targeting of mitochondria is well-known.

Even in the brain.
/1 We identified dysregulation of mitochondrial and synaptic pathways in deep-layer excitatory neurons and upregulation of neuroinflammation in glia, consistent across both mRNA and protein. Remarkably, these alterations overlapped substantially with changes in age-related neurodegenerative diseases, including Parkinson’s disease and Alzheimer’s disease. Our work, combining multiple experimental and analytical methods, demonstrates the brain-wide impact of severe acute/subacute COVID-19, involving both cortical and subcortical regions, shedding light on potential therapeutic targets within pat...
@LauraMiers, in case you don't have it.

nature.com/articles/s4358…
@LauraMiers This is yet another reason why I N95.

Read 6 tweets
Lazarus Long Profile picture
Dec 17, 2025
@neiljshaw - — a few tips on your excellent article from a clean air advocate

"Consider Wearing a Mask" ?

No, "It is incredibly important to wear a well-fitting mask such as a N95, KN95, or KF94, for the best protection."

You two are doing Image
public health with this article.

Public health is best done with simple clear instructions.

No:
"These masks act as a barrier, reducing the spread of respiratory droplets when people talk, sneeze or cough."

Yes:
"These masks act as a HEPA air cleaner for the face,
cleaning the air of respiratory aerosols when people breathe, talk, sneeze or cough."

The barrier carries the idea of an immovable wall. Unable to be penetrated by things like oxygen and CO2 - which feeds antimaskers.

As an who debunks antimaskers, it is
Read 9 tweets
Lazarus Long Profile picture
Dec 11, 2025
As an anonymous clean air advocate, I've put a bit of thought into how to present, well, my expertise.

If someone were to say, "How do I know you know what you are talking about? Are you a doctor, or a virologist?"

To which, I would say...."No, but that's a good thing.
/1
I have focused on aerosol and masking science. Because it is those fields that give us the most information on how airborne particles, aerosols, get from Person A to Person B.

My expertise is derived from the great studies of Dr. Lindsay Marr, MacArthur recipient. Dr. Prather,
double National Academy member, Dr Milton, inventor of the Gesundheit, aerosol scientist and medical doctor; Dr Coleman whose group found that duckbill N95s captured 98% of emitted respiratory aerosols, and more excellent individual aerosol scientists.
Read 17 tweets
Lazarus Long Profile picture
Nov 22, 2025
I am not a fan of nasal sprays to stop The 'Vid, but I respect you having it as a layer in the Swiss cheese package.

But, some people have said they got bloody noses.

While at the ER yesterday, I picked up a pretty good at home technique. Let our $1,000 lay-out
Image
save you money.

Use tongue depressors to make a nose pinch clamp.

Leave it on for 30 minutes. Still a problem? Two sprays of Afrin, and re-apply nose pinch clamp. Wait 30 minutes.

Still a problem? Cotton balls sprayed with Afrin, clamp, 30 minutes

aliem.com/trick-of-trade…Image
Image
Image
Afrin- in generic form is $3.32 at Walmart.

Also, put a ice compress at the back of the neck, while doing the above.

"Cooling the nape of the neck is said to induce reflex constriction of the mucosal vessels of the nose"

✅ I agree with the authors.

pubmed.ncbi.nlm.nih.gov/1568881/Image
Image
Read 6 tweets
Lazarus Long Profile picture
Nov 13, 2025
A study demonstrated 100% PERFECT protection against SARS2 w/ readily available KF94s

✅ 181 HCWs
✅ 1 got SARS2 antibodies, but an epi investigation -> the infection happened elsewhere.
😡 The final checkpoint was March 2021. N95s only became freely available 1 month later
/1 FDA: N95 masks, now plentiful, should no longer be reused By MARTHA MENDOZA and JULIET LINDERMAN (Associated Press) April 23, 2021 12:44 p.m. Medical providers may soon return to using one medical N95 mask per patient, a practice that was suspended during the pandemic due to deadly supply shortages
What is described in the tweets
in the USA.

Korean study:
jkms.org/DOIx.php?id=10…

This is in comparison to a Swiss study during the same rough time-frame. A study which did NOT show the same excellent results, but dismal results. Why?

The Swiss had the same sort of fit testing,

pubmed.ncbi.nlm.nih.gov/35123572/ Results: We enrolled 3259 participants from nine healthcare institutions, whereof 716 (22%) preferentially used FFP2. Among these, 81/716 (11%) reported a SARS-CoV-2-positive swab, compared to 352/2543 (14%) surgical mask users; seroconversion was documented in 85/656 (13%) FFP2 and 426/2255 (19%) surgical mask users. Adjusted for baseline characteristics, COVID-19 exposure, and risk behaviour, FFP2 use was non-significantly associated with decreased risk for SARS-CoV-2-positive swab (adjusted hazard ratio [aHR] 0.8, 95% CI 0.6-1.0) and seroconversion (adjusted odds ratio [aOR] 0.7, 95% CI ...
PPE monitoring.

What was the big difference?

Are N95s/FFP2s inferior to KF94s?

No, it was supply - and other reasons.
Read 10 tweets

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