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Lazarus Long Profile picture
@LazarusLong13
Sep 6 • 8 tweets • 4 min read • Read on X
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Remember THAT scene from Outbreak with Dustin Hoffman - "It's Airborne." ?

SARS-COV-2 is airborne via HVAC. Just like TB is - but it is way more contagious.

Still no panic, right? We know how to be safe.

Motel 6, or AirBNB - no shared HVAC, is best.

But HOW do we know?

🧵
A recent study in South Africa used Syrian Hamsters to duplicate the study that finally convinced everyone that TB was airborne.

The TB study is interesting because the military vets in VA hospitals were getting infected disproportionately.

So, they used HVAC ducting to In 1956, tuberculosis was a major global killer, and it disproportionately affected military veterans hospitalized in the Veterans Administration hospital system. Then, as now with COVID-19, epidemiologists held that tuberculosis and other respiratory diseases were spread by large infected droplets through person-to-person contact or contaminated surfaces. But Richard L. Riley, an expert on lung physiology at the then Johns Hopkins School of Hygiene and Public Health, and his mentor, William F. Wells, had identified another possible mode of transmission.
connect a 6 room TB ward to 150 guinea pigs.

Of those 150, only 3 PER MONTH got infected.

Illustrating that TRANSMISSIBILITY is just a CLUE to if something is airborne.

Dr. Riley went on to patent UVC tech, and develop the Wells-Riley equation which is so important in airborne Atop the Baltimore VA Hospital, they constructed an air-tight closed ventilation system that connected a six-room tuberculosis ward to an exposure chamber with 150 guinea pigs. (Among rodent animal models, only guinea pigs could cough and sneeze, making them ideal for studying how respiratory diseases spread.) The guinea pigs were exposed to the infected air over a four-year period. A second group of 150 guinea pigs acted as controls: their air ducts were irradiated with UV-C lamps to kill TB bacilli.
In the test group, an average of three guinea pigs per month contracted TB, while no controls were infected. The experiment not only proved the airborne disease transmission of tuberculosis for the first time, but also quantified how many TB infections could be expected to result from exposure to a given number of patients over a defined interval.
The insights from the Baltimore VA Hospital studies were later used to develop the Wells-Riley equation, which quantifies infection risk and informs strategies to ensure staff and patient safety in contagious clinical environments. The model can also calculate the risks of transmission for airborne infections on planes and trains, in prisons, and in other public and institutional spaces. As chair of the Department of Environmental Medicine from 1960 to 1977, Riley warned that the danger of infection from airborne diseases was increasing as people spent more time indoors and air conditionin...
So, in South Africa they have a facility designed to study airborne very similar to the TB set up.

7 C0V1D patients' breath was routed to 216 Syrian hamsters.

58% of the hamsters got COVID antibodies in 21 days.

3 TB guinea pigs versus 100+ Syrian hamsters. Impressive! 1.Floorplan schematic of the South African Airborne Infections Research clinical facility. The facility consists of a 6-bed inpatient ward, toilet facilities, and day room, all serviced by an airtight ventilation system and manifolded to 2 animal rooms housing the sentinel animals. All exhaust from the clinical area is shunted so only a portion (approximately 10% of the total flow) enters the individually ventilated animal caging units, with the remaining 90% flow bypassing the caging but passing through the animal rooms. High-efficiency particulate air–filtered flow is supplied to the pati...
"The simplest interpretation of our results is that human-generated aerosols seroconverted 58% of exposed hamsters after traveling the 7-10 meter distance through the ventilation system of the AIR facility," the authors wrote. " The simplest interpretation of our results is that human-generated aerosols seroconverted 58% of exposed hamsters after traveling the 7-10 meter distance through the ventilation system of the AIR facility," the authors wrote. "This data indicates that exposure to exhaust air from the clinical ward containing individuals actively infectious for SARS-CoV-2 can result in transmission to susceptible animals."
About this study, Dr. Osterholm:

"This one was a classic study design, and we don't often say that in science," said Osterholm. "This study should put the nail in the coffin that SARS-CoV-2 is not transmitted by airborne routes."
CIDRAP
cidrap.umn.edu/covid-19/using…

Study
academic.oup.com/ofid/article/1…

TB article
publichealth.jhu.edu/2020/the-exper…

TB study
sci.bban.top/pdf/10.1093/ox…

And yes, COVID is airborne.
One more thing....these patients were NOT prime infectious agents.

That happens BEFORE symptoms show up.

This thread is starting to go viral, so I am now anticipating some minimizers will attempt to criticize prior to reading the study.

Read the study. I have, and am ready.

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More from @LazarusLong13

Lazarus Long Profile picture
Sep 1
Plaque, Stephan's Curve (Imperative) mixed with breakfasts that you can brush immediately after.

It's actually best if you brush immediately up on waking up. This gets the overnight plaque.

It starts forming 4-6 hours after you sleep - your saliva is 20 millititers/hr Dental Plaque on the bristles of a used toothbrush. Yep, that came out of your mouth.
- during the day. At night? Just 3-6 ml.

Saliva washes away the bacteria, it contains bicarbonate, phosphate, and protein buffers that neutralize the acids being pooped out by the bacteria.

It also has the below ingredients. Who knew saliva was so cool?!

Or plaque? Antimicrobial Components Lysozyme: breaks down bacterial cell walls. Lactoferrin: binds iron, starving bacteria. Peroxidases: inhibit bacterial metabolism. Immunoglobulin A (IgA): prevents bacterial adhesion to teeth.
Plauque forming bacteria.
By brushing first thing, fluoridating, and then waiting a 1/2 hour before eating, you just prepped your teeth for their Acid Trip through the day.

Like if you like salsa on your breakfast burrito like I do.

But what is a good breakfast if you have NO TIME to wait for the 60 tripping the light fantastic.
Read 35 tweets
Lazarus Long Profile picture
Aug 27
Ah, it's that time of year again. The pitter patter of children's feet. The laughter of high school students as they flirt with each other.

The coughs of their parents.

Is a Portable Air Cleaner (PAC) on a desk aimed at the wee ones' faces going to protect them? Spicoli from Fast Times at Ridgemont High with a Levoit Air Cleaner pointing at his face braced up with a weight. In the middle of his pizza. Not cool, man, not cool.
TLDR? No. They need to be in a N95 or KF94 purchased from legit distributors, not from Amazon, and eat their food outdoors, spaced far enough away from their friends so as not get infected. Or use @sipmask and protein shakes at lunch in the cafetaria.

You need to teach them
about how it can take as little as one breath of uncleaned-air to get infected (100 virions study on my profile). How it can mess them up in terms of their entire body.

You need to have the "Birds and the Bees and Covid" talk, in other words.

But will a PAC aimed at their
Read 24 tweets
Lazarus Long Profile picture
Aug 23
People often underestimate the power of having someone with the reputation of Wolfgang Leitner, weighing in.

This is truly a significant development.

Personally, I prefer to let the studies do their own talking, but Voice Of Authority bears considerable weight in the real world
Just a few awards Image
An actual Conference Organizer. You underestimate the political savvy and pull this takes - and gives them. Image
Read 7 tweets
Lazarus Long Profile picture
Aug 21
Calley is lying from the very first sentence. The media is not cheering for MAHA to fail. They are cheering for antivaxxers to fail.

We all want to see better food, less chemicals.

But we are not idiots.

The single largest gain in American life expectancy was
between 1900 and 1940, primarily because of improved water & sewer sanitation. Adding 16 years of life expectancy.

And vaccines are a close second - adding 5-10 years a bit later - in the last half of the century.

If we get rid of vaccines? We lose 5 to 26 years, depending
if we lose smallpox and diptheria.

There's another thing. Calley wants us working on the below things.

The Red Arrows point to things that will not mean a thing because of the next tweet. Image
Read 15 tweets
Lazarus Long Profile picture
Aug 19
Microplastics.

In your testicles. Or your ovaries. Your brain and other organs.

But where do they come from? Are you eating, drinking, or breathing them in?

3 biggest fixes you can do? Get a water filter that handles PFAs - it will also do Image
also handle microplastics easily. Next, rinse off your vegetable and fruit with that filtered water.

When driving around in your car? Have a little HEPA running. @cleanairstars is a great resource. @ThisHouseFresh has a handy RV HEPA review article.
And of course, in your house, have a HEPA/ CR Box running. What is outside will soon be inside - takes about 4 hours if memory serves me correctly for typical infiltration.

Especially important if you live near a road.
Read 18 tweets
Lazarus Long Profile picture
Aug 12
Someone in the 7 Oaks School of Ontario IPC, like @zchagla, @DocDominik, @HotaSusy, @BogochIsaac @skepticalIDdoc has gone anonymous.

Remember - that group personally signed affidavits saying surgical masks are good enough to de-N95 nurses, who went on to die ....
At greater numbers than the population.

Who were sentenced to lives of LongCovid.

It all started in March of 2020, when the 7 Oaks School of Ontario IPC signed a nasty, but quiet, little petition to deny airborne precautions. Image
Then they signed those nasty little affidavits,with two fingers crossed I am presuming, in April of 2021.

Deliberately to demask the nurses. Image
Image
Image
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Read 12 tweets

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