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Lazarus Long Profile picture
@LazarusLong13
May 17, 2024 • 36 tweets • 14 min read • Read on X
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This is a 🧵 that cuts through this CDC school guidance like the thread used in Netflix show "The Three Body Problem."

Their guidance will cut down the kids just like were cut down in the show.
Let's start with their tweet. It provides a framework to evaluate their actions against their words.

- preventing spread of infectious diseases.
-benefiting ALL students.
-maximize school attendance.

Let's start with preventing spread.

-Maximize school attendance
While preventing disease
Benefits all students is highlighted
The single most efficacious way to prevent the spread of infectious diseases is wearing respirators, as they stop both near and far field aerosols.

Are they mentioned in the intro page linked to? No. Masks are, but are buried.

People are logical.
cdc.gov/media/releases…

Teach and reinforce proper hand washing and respiratory etiquette. Take steps for cleaner air by improving ventilation in schools. Schools should consider ventilation enhancements and design when undergoing remodeling or when undertaking new building construction to optimize clean air. Clean, sanitize, and disinfect, when appropriate. Promote vaccinations for students and staff.
Long red arrow showing way down the page where masks are buried
They do the bullet points first.

Masking is not even in the bullet point sections.

PPE is in the 2nd group- for staff taking care of sick kids. Of course, this ignores the 58% presymptomatic transmission rate for SARS2, 38% for influenza.

Masks for kids are buried in the
"If illness activity is elevated, schools can consider implementing additional strategies"

section. Look at the action words...

Schools CAN CONSIDER implementing additional strategies.

Whoa! Your principal will be RUNNING to implement mask mandates. (Not mentioned). Image
"These additional strategies depend on several considerations, but include actions such as:"

What considerations? This is just such bad public health writing.

You don't say "there are several things" - and then not actually talk about those things. Image
Wearing masks are included with increasing space and distance between students and cohorts.

Really? The ONLY time that has been used in the US was during pandemics. (This does not include whole school closure for temporary outbreaks). Image
So, prima facie, the most effective NPI (NonPharmaceutical Intervention) is only listed in the pandemic section. And not even an effective version, masks, or the fact that mask mandates are necessary for wide uptake.

Especially in schools which are EVEN MORE subject to peer
pressure than adult society. (Mandates work by removing peer pressure).

But hey!

You can applaud the CDC because they actually mentioned the word masks.

✅ Everyone applaud the CDC for dropping the word into a page

You can. Not me.

Let's move on. Maybe it gets better? Image
Intro page here, but let's look at the quick (the fact) sheet



"Fact Sheet: Help Your Child’s School Prevent the Spread of Infections"



No masks found. Not in the pics.... cdc.gov/orr/school-pre…
cdc.gov/orr/school-pre…



Image
Image
Image
Image
Not in the words

Instead it is respiratory etiquette, which....

Image
Image
Image
does not work.

Do little fingers magically stop aerosols from spurting from between them?

No. Neither do elbows.

And we DO NOT USE RESPIRATORY ETIQUETTE when WE BREATHE.

The @CDCgov is being so STUPID on this point.

In between the coughs? We all

still breathe. And we breathe about 11,000 liters of air every day.

A cough is about 2.3 liters of air. That is 5,000 coughs per day for respiratory etiquette to be used - if it actually worked, which it doesn't.

RESPIRATORY ETIQUETTE DOES NOT PREVENT OR SLOW TRANSMISSION.
But it is part of their main page to prevent or control the spread of infection.

cdc.gov/orr/school-pre…

Everyday Actions for Schools to Prevent and Control the Spread of Infections
School Preparedness Everyday Actions for Schools to Prevent and Control the Spread of Infections PAGE 2 of 10 ‹View Table of Contents This guidance is for general school settings. Healthcare workers in school-based health clinics or nursing offices should follow guidance for healthcare settings. Everyday actions help keep students healthy by minimizing the spread of infections in school settings. Infections spread in schools because of shared objects, close contact with others, students playing closely together, lack of cleaning and disinfection routines and supplies, and lack of proper v...
As is Handwashing and Cleaning, Sanitizing.

Let me ask you a poll on this topic
Hand Washing Children washing hands at school Washing hands in school can help prevent the spread of respiratory and gastrointestinal diseases. Teaching and reinforcing proper handwashing can lower the risk of spreading diseases. Schools can set routines or scheduled opportunities for handwashing throughout the day. During times of increased illness spread or absenteeism, schools can evaluate hand hygiene routines and increase those opportunities. Schools could monitor and reinforce these behaviors, especially during key times in the day. Additionally, schools can provide adequate handwashi...
that are visibly soiled with blood or other body fluids. Use gloves and other personal protective equipment (PPE) as warranted to avoid contact with the fluid. Wipe or soak up the blood or bodily fluid, clean, and then disinfect the surface. For more detailed information, see Cleaning and Disinfecting Your Facility. Rarely, a school might need specialized or enhanced cleaning and disinfection for a particular infectious disease. This can occur when a new pathogen emerges and an ill student has been in the school space or an outbreak occurs with a specific pathogen like norovirus. Schools s...
Do we magically ooze viruses through our skin?
WHERE DO PATHOGENS PRIMARILY COME FROM?

Our mouth, nose, and anal orifices.

The anal orifice is covered by underwear and pants. A cloth mask.

The mouth and nose are not covered.

So, AFTER you wash and clean? Guess what gets dirty again from the uncovered mouth and nose?
Taking Steps for Cleaner Air leads off that page. Great. But masks should lead it off.

Oh SACRED BLEU! How dare I say that?

Ever hear of a hospital? Yeah, they have GREAT ventilation and filtration.

And they are still infecting lots of folks.

In fact, when you Take Steps for Cleaner Air Person opening window Improving air quality can reduce the number of germs in the air by increasing airflow, cleaning the air, or moving gatherings outdoors. Cleaner air can reduce the likelihood of spreading disease, particularly respiratory viruses. See CDC’s Ventilation in Buildings webpage for information on how to improve ventilation in a school. Strategies that can be implemented to have cleaner air include: Ensuring existing HVAC systems are providing the minimum outdoor air ventilation requirement in accordance with ventilation design codes. Considering ...
take the same hospital and put in place universal masking? Infection rates go down.

And this is part and parcel of what the CDC recommends for all of our hospitals.

But not for our schools, WHICH HAVE WORSE VENTILATION.

(Vaccinations also on this page...good ).
Let's jump to the actual page with masks. Sorry, the Additional Strategies page.

Mandates are not mentioned. Despite that being one of the CORE lessons we have all learned is crucial.

Back when Biden first began to demask America?

cdc.gov/orr/school-pre…
Image
Masks had 84% or so support. But 84% of America sure wasn't masking.

👇 Masks recommended - as only an antimasker could recommend them.

Kids don't wear N95s in general. So, next best- KN95s? The counterfeited KN95s from Amazon?

You would think the CDC would mention KF94s, Cloth masks generally offer lower levels of protection to wearers, surgical/disposable masks usually offer more protection, international filtering facepiece respirators (like KN95 respirators) offer even more, and the most protective respirators are NIOSH Approved® filtering facepiece respirators (like N95® respirators).
from Korea with their much better regulatory process.

And most of all ? Why not mention elastomeric respirators for kids?

DISPOSABLE RESPIRATORS (N95, KF94, KN95) LOSE FIT!

Sure, @flo_mask is the best game in town for elastos in town, but at least mention the genre.
I assume someone from the @CDCgov reads the NYTimes?

web.archive.org/web/2024012403…


Image
Image
Image
The CDC goes on to recommend possibly adding masking to anti-bullying programs - acknowledging the issue with not having mask mandates. While not mentioning the word.

And a bit later, they point out that immunocompromised children should not be segregated...while ignoring the
Image
Image
fact that not having all in masks? Segregates those in masks.

These CDC guidelines are a touch better than what they had before, but it not only continues to hurt the kids? But the CDC and public health.

/Continued... Image
Which brings us to maximizing school attendance.

THE NEW CDC GUIDELINES WILL NOT MAXIMIZE ATTENDANCE, and hurt the public's view of the CDC.

That's right - the CDC is hurting public health. Hurting themselves. Hurting the kids. Hurting America.

With this guidance.

/Cont Image
I will say /fin when done.

Will infectious disease transmission be reduced by the new guidance?

Well, they already had handwashing, cleaning, sanitizing, formally before.

Ventilation was already there before, informally, thanks to Covid.

And infectious disease transmission
has only gone up since the end of public health emergency.

RSV, influenza, etc.

The Zeitgeist has Americans feeling constantly infected. Reddit, Facebook, x/Twitter, etc .

And this new guidance was already in place.

Let's take a simple example, "Jack and Diane".
They see the CDC guidelines. They think, "Yay! The CDC is stepping in to help keep Burt and Ernie from being sick nonstop."

But Burt and Ernie keep getting infected because nothing amhas actually changed since the end of the PHE.

Will Jack and Diane look favorably upon
public health? Or are they more likely to think, "Hey - maybe it IS the vaccines making our kids sick."

Because they already knew their kids school HVAC had been improved.

It is truly ironic that the CDC continues to hurt public health.

While trying to help public health.
If you enjoyed this thread, please give it a retweet.

@adelbrown - ask and ye shall receive.

I almost forgot to close out on the maximize attendance point.

The CDC is "trying" to maximize attendance. This ostensibly is to be done by preventing the spread of the flu, norovirus, strep throat.

Interestingly, covid not mentioned there.

And even more interesting?
Image
Image
All of those are airborne. But as Covid has shown, near field aerosol dominates transmission of airborne diseases.

The CDC is putting fomite and far field aerosol strategies at play.

MASKING is the THE near field aerosol NPI, and is shoved into the back of the closet.
(Note: far field improvements will result in small improvements in near field. Distancing as listed in Alternative strategies is also a near field aerosol NPI)
By ignoring the PRIMARY form of transmission in their HIGHLIGHTED NPIs?

The CDC WILL NOT MAXIMIZE ATTENDANCE.

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More from @LazarusLong13

Lazarus Long Profile picture
Apr 18
Trump is trying to distract from the economy. He just pumped out the Lab Leak from the official whitehouse.gov website.

Simultaneously making masking advocacy both more difficult and easier.

The Shrodinger Presidency. If only he had.... /+

whitehouse.gov/lab-leak-true-…
Of course I don't wish him dead in a box. That is against Twitter's TOS.

But, anyway, what do I mean? On the one hand, pointing out that Covid is probably a bioweapon means that you can point out the silliness of not protecting yourself against it.

On the other hand, this: Image
Which, of course, is silly as workers in BSL2-4 labs wear N95s and better to protect against bioweapons.

Heh. I can tell an antimasker wrote that because they screwed up the logic on it.

Mask mandates do NOT equate masks.
Read 6 tweets
Lazarus Long Profile picture
Apr 2
@TheAtlantic @danengber Heh - I suspect Mr. Engber has been eavesdropping on my (and my fellow Covid Conscious) swimming safer threads. I have a new solution for showering safer for that I will be rolling out tomorrow.

For future articles by those who will come along, let me point out a few things /+
@TheAtlantic @danengber Thank you very much for pointing out that 4% of America is still masking 100% of the time! That is 13.2 million Americans.

The Masking Nation is larger than 38 states. :)

But, 18% of us masking some of the time in the SAME PEW POLL (tch tch). You would think that would be/+ At a basic level, their COVID-conscious attitudes may not be so far from the mainstream. Twenty-one percent of Americans still think of the disease as “a major threat” to public health, according to a recent poll from Pew Research Center. Thirty-nine percent say we’re not “taking it seriously enough.” But if 50 million to 100 million adults harbor such concerns, very few are doing much about them. Masking rates were once as high as 88 percent; now they’re close to nil. For those who still maintain their masking habit—4 percent, says Pew—the whiplash in social norms has been a shock.
@TheAtlantic @danengber be mentioned, @TaylorLorenz, by Mr. Engber, since 18% lines up pretty closely to the 21% still worried that Covid is a big deal (it is) - that he mentioned.

And suddenly, Masking Nation has 59.4 million residents. We are the largest state. Canada /+

Read 14 tweets
Lazarus Long Profile picture
Mar 22
This may be one of the most important studies in a decade.

#LongCovidBinder.

"The models produced correctly classified those with severe ME/CFS from recovered controls with an accuracy of 97%, sensitivity of 94%, and specificity of 100%. "

THAT IS HUGE.
"We found that at Stage 1, those fated to develop ME/CFS 6 months following IM had low levels of IL-5 and IL-13 [25]. " We found that at Stage 1, those fated to develop ME/CFS 6 months following IM had low levels of IL-5 and IL-13 [25]. IL-5 enhances the production of B1 cells which are anti-inflammatory (impaired B1 cells have been found in multiple sclerosis, systemic lupus erythematosus, and rheumatoid arthritis), and IL-13 has anti-inflammatory properties. Jason et al. [26] also found that students who failed to recover from IM had more restricted, inflexible cytokine networks whereas those who recovered had more flexible, less interconnected networks. Network analysis suggests that IL-5 and IL-13 influe...
So, this means ME/CFS can be predicted.

And what can be predicted - treatments can be found.

And they are studying LongCovid as well.

This study is easy to read, And everyone should.

/+

mdpi.com/2076-2607/13/4…
Read 6 tweets
Lazarus Long Profile picture
Mar 13
A new study just showed what I have been saying since the start of bird flu. H5N1 is airborne.

Still in place?
USDA: YOU ONLY NEED TO TEST LACTATING COWS.

oops.

USDA: FOMITES (infectious objects) SPREAD IT.

oops.

WASHING YOUR HANDS WILL STOP IT.

oops. This new Federal Order does not override or supersede USDA's April 24 Federal Order, which still requires the mandatory testing of lactating dairy cows prior to interstate shipment and requires that all privately owned laboratories and state veterinarians report positive test results connected with those tests. The new Federal Order announced today is intended to complement and enhance this existing order.
Question [00:51:52] Given the CDC's vaccination program, I'm wondering if this means you think it's no longer realistic to expect that the outbreak will be contained this year? Eric Deeble, USDA [00:52:12] Just on the animal side and all that Dr. Nirav speak to the human side, there's a lot about this disease that makes us feel as if we can arrest its progress. And we've actually seen some success demonstrated to date. With this disease, it does not appear to move by respiratory transmission. We know that there are high viral loads in milk, and we've identified through close, collabora...
In addition to testing, biosecurity is the key to containing this virus, and ultimately ensuring that it is eradicated so that producers do not have to deal with this virus in dairy cattle permanently. Good biosecurity including cleaning and disinfection of vehicle and equipment - is critical to minimizing the risk of disease spread. USDA works closely with state animal health official, producers, and industry organizations to provide guidance and resources for cleaning and disinfection not only on affected farms but for all livestock producers as a part of practicing good biosecurity. APHI...
The study.

✅ 20% of the cows showed up as sick. Had symptoms. But....

✅ It turns out that 89.4% were actually infected.

✅ 83.7% of those had no symptoms. Remind you of any other airborne diseases?

✅ 40.5% of the dry cows not being milked? Infected. So, no Image
Image
Image
fomites or milk aerosols involved, most likely.
Read 6 tweets
Lazarus Long Profile picture
Mar 13
There is not much that scares me. Freaks me out.

I am freaking out.

You should be, too.

Do you know what this shows?

Do you know how to avoid this? Holy cow.
This is the continued accumulation of dementia-causing microplastics in your brain. Simple linear regression (shown with 95% CI represented by dashed lines) was performed for total plastics, polyethylene, polypropylene, polyvinyl chloride and styrene-butadiene rubber measured in normal decedent brains from 2004 (average of east coast samples), 2016 and 2024 (NM OMI samples).
See how it increased from 2016 to 2024?

And it actually is worse - they found less plastics in brains from a decade earlier.

ACCUMULATION. Simple linear regression (shown with 95% CI represented by dashed lines) was performed for total plastics, polyethylene, polypropylene, polyvinyl chloride and styrene-butadiene rubber measured in normal decedent brains from 2004 (average of east coast samples), 2016 and 2024 (NM OMI samples).
Read 28 tweets
Lazarus Long Profile picture
Feb 23
Great interview of Ed Yong - I am just covering the C0V1D part.

/1 The Interview Ed Yong Wants to Show You the Hidden Reality of the World Ed standing with his arms folded. His eyes tell you COVID is not over.
You've been clear in saying that C0V1D has not gone away. You ask people to wear masks at your events..... You’ve been clear in saying that Covid has not gone away. You ask people to wear masks at your events. But that attitude is not necessarily where the rest of the world is. How do you think about continuing to take precautions and advising others to do so when it feels as if society has moved on? I do it for a bunch of reasons. Firstly, I have learned that I enjoy not being sick. I know that the cost of long Covid is real and substantial, and I don’t want to run that risk lightly.
"I think it makes a huge difference to them to have the person at the front of the stage wear a mask. It tells them, It’s not weird." . I also know that I have many friends and people I’m close to who are immunocompromised. So for the sake of the people around me, I also don’t want to get sick. When I do events, I wear a mask for those reasons, and because I know that every time I do a talk, while the vast majority of people in the audience have probably moved on, there are going to be other people who haven’t. I think it makes a huge difference to them to have the person at the front of the stage wear a mask. It tells them, It’s not weird. So I do it for that reason, too. In terms of holding this line at a point when a l...
Read 5 tweets

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