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Lazarus Long Profile picture
@LazarusLong13
Jan 24, 2022 • 39 tweets • 12 min read • Read on X
We, all, are the #corsirosenthalbox community come to life.

We all share the common interest of having clean lungs - and not catching CoVid.

This is a 🧵of homes in which one person unfortunately brought CoVid back.

But homes where no one else caught it. Image
Please @ me if I didn't catch your story when I was meandering the halls of Twitter, and you want to be in this 🧵.

As @JimRosenthal4 always says, and I have seen @CorsIAQ agree with.

"We are not helpless!"

Your story:
Have some more waiting confirmation on.

In the meantime, thank you to Mike for the beautiful build!

@faroop the cleanaircrew web site we urge wearing an N95.
Transparency is key!

2nd tweet down:
If you came here because someone tested positive.
Do NOT give up hope!

In home transmission rate is higher than before but still around 33%.

Immediately, everyone put on N95's, crack those windows at least an inch, and get the sick person by themselves in a room.
Then read these:
Isolation room:


$900 Air Cleaning for $100 Long thread - may want to jump to ...next couple of links.


The FAQ has same info, but cleanly laid out:


If FAQ is slow:
cleanaircrew.org/someone-in-my-…

cleanaircrew.org/boxfanfilterfa…
cleanaircrew.org/box-fan-filter…
Another "CoVid snuck in the back door, but no one else caught it" addition!

(These take time as I need confirmation and permission to add. If you have a story? Do a tweet, and then retweet it @ me ! )

Another "CoVid snuck in the back door, but no one else caught it" addition!

Probably the most high-profile addition to the "CoVid snuck in the back door, but no one else caught it" 🧵.

Folks, we are NOT helpless!

(He confirms no spread later in the thread).

Someone came home with CoVid? These 🧵's are for you.

You are not helpless - and not alone.

Another shared excellent thread of someone who had someone bring home CoVid - and everyone else stayed safe:

Got a friend who tested positive and has loved ones at home?

Lend them yours! And build an extra one for yourself!

(Way to go, Kevin!)

Need to talk a principal or a boss into bringing in a #CorsiRosenthalBox ?

cleanaircrew.org/boxfanfilterfa…
Another report of "CoVid came home as an unwanted guest - and got the boot after infecting no one else."

This is the 18th family that has had CoVid show up as an unwanted houseguest - and no one else caught it.

Due in part to the #corsirosenthalbox.

Number 19!

20th story of success using a #CorsiRosenthalBox and a variety of other interventions to kick CoVid back out the door after it comes calling.

Even when it's BA2 or Omicron.

We are NOT HELPLESS!

21st story of success using a #CorsiRosenthalBox

YOU are NOT HELPLESS!

(TLDR?
Family of 4. Vaccinated, boosted, ventilation, CR boxes, masks, and tests. )


Image
22nd story of #corairosenthalbox of success!

23rd story of #corsirosenthalbox success!

To quote Jim Rosenthal, "We are not helpless!"

See a tweet of a family exiting with no further transmission? Tag me!

24th story of Covid coming calling with one person in the house - and leaving empty-handed.

25th story of Covid coming calling with one person in the house - and leaving empty-handed.


Image
26th personal story of success with keeping Covid at bay, despite its attempt to get the whole family.

Always remember - respirators, ventilation, filtration, and a fired-up will to win.

We are not helpless!



Image
Image
27th story of #corsirosenthalbox (and other clean air tech like N95s) success, keeping CoVid at bay - despite infecting family members.

H/t @joeyfox85 and @PettersenKenny !

If you are reading this, worried about CoVid spreading in your home, brought home by a loved one?

Don't be.

This is the 28th story of success of using the #corsirosenthalbox to keep CoVid from spreading in the family.

In this case, also used were.....

""N95 (or P100) mask when entering the isolation area. Isolation area had its own small kitchen so entering wasn't needed frequently. Home tests (BinaxNow if I recall correctly) were used to determine end of isolation." Image
WE ARE NOT HELPLESS!

29 families who had Covid sneak in with one loved one....and there it stayed.

No one else got it.

These are their words. Their "how-to's" - written to help YOU!

More details on the 29th.

The 30th story of #corsirosenthalbox success!

As always, it's not just the box, but N95s, etc, all working together to keep you inhaling clean air. Image
And as always - their story in their words!
31st successful story of the #CorsiRosenthalBox protecting the rest of the family after one member came home positive.

This one is longer - but the careful thought into where the air flows in the home makes it worth it!

@TaniaJSpencer @JimRosenthal4 @CorsIAQ @joeyfox85 @DavidElfstrom For your convenience, the jump to the relevant part:

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More from @LazarusLong13

Lazarus Long Profile picture
Dec 17
@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
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
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
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
Lazarus Long Profile picture
Nov 5
@tomhanks has just been savaged by people screaming masks don't work.

All hospitals have fiduciary responsibilities to not waste money.

Here is a light sampling of hospitals mandating masks because they work.

Proving that not only do masks work, but mask mandates work.

Thread
Health PEI
Start/End: October 14, 2025 , How many hospitals: 7, employee count: 4,967,

Public hospital,

City: Various (e.g., Charlottetown, Summerside), Province: Prince Edward Island, Country: Canada, full url: princeedwardisland.ca/en/news/health…
Horizon Health Network
Start/End: September 3, 2025 How many hospitals: 12, employee count: 15,000, public or private:

Public hospital.

City: Various (e.g., Saint John, Fredericton),
Province: New Brunswick,
Country: Canada horizonnb.ca/coronavirus-co…
Read 32 tweets
Lazarus Long Profile picture
Nov 2
Thread of debunking the myth that "babies should not be masked."

A baby uninfected is better than a baby infected.

If you oppose masking babies, you are immediately for infecting babies.

Let's get to it. A most excellent instruction page on how to mask babies. Suck it antimaskers.
This solves an equity problem.

Not everyone has the money or technical skill to build a baby buggy PAPR.

Just like not everyone has the money to buy an adult PAPR.

Are you for people on SNAP being able to protect their babies? Or not?

Most can rustle up the money to buy some uber cute baby masks!

This is the link from the baby zine.

These need to be fit tested.

Now, let's get into the good stuff. The "OMG Laz has gone too far! We've got him!"

You better bring your A game.

aliexpress.us/item/325680749…
Read 39 tweets

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