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Maarten De Cock Profile picture
Maarten De Cock
@mdc_martinus
The Justice Rottweiler💃🎼@whitevessen@mastodon.ie Profile picture 1 subscribed
Apr 22 • 5 tweets • 2 min read
“…when sciences evolves, you have to change your advice.”

Well, @JeremyFarrar, then show us the evolving science that explains this change:

👉Febr. 2020: “Airborne… the pattern is clear”(@LawrenceGostin, @WHO Director)

👉March 2020: “FACT: COVID-19 is NOT airborne”
Image FACT: this was NOT about science. It was about politics, PPE shortages and the Infection Prevention and Control leaders trying to prevent at all costs and AGAINST all scientific evidence, the recommendation of airborne precautions in hospitals.
Mar 16 • 10 tweets • 4 min read
“We used an established risk analysis tool for differentiating natural and unnatural epidemics (…) to study the origin of SARS-COV-2.”

Result:

“𝐚 𝐠𝐫𝐞𝐚𝐭𝐞𝐫 𝐥𝐢𝐤𝐞𝐥𝐢𝐡𝐨𝐨𝐝 𝐨𝐟 𝐚𝐧 𝐮𝐧𝐧𝐚𝐭𝐮𝐫𝐚𝐥 𝐭𝐡𝐚𝐧 𝐧𝐚𝐭𝐮𝐫𝐚𝐥 𝐨𝐫𝐢𝐠𝐢𝐧 𝐨𝐟 𝐒𝐀𝐑𝐒-𝐂𝐨𝐕-𝟐.” 🧵
Image “…not all of the initial cases were linked to the local wet market, pointing to the possibility that the (…) market was a source of an amplification event rather than the origin of SARS-CoV-2.”

“coronavirus research appears to have been conducted under BSL-2 and 3 at the WIV.” Image
Mar 1 • 5 tweets • 2 min read
New Chinese study examines aerosol distribution of a laboratory spill and the probability of a laboratory acquired infection with SARS-CoV-2.

“A series of laboratory infections have raised concerns about the incidence of laboratory infections.” (1/5)

link.springer.com/article/10.100…
Image “Data summarizing the past 219 laboratory infection incidents showed that 73% of laboratory-acquired infections were caused by aerosol spills (Pedrosa & Cardoso, 2011).” (2/5) Image
Feb 27 • 4 tweets • 2 min read
You can report this @WHO post as 'EU illegal content'.

Choose 'Risk for public security', because this includes 'risk for public health'.
Image Will be interesting to see what they do… @X @WHO Image
Feb 13 • 4 tweets • 2 min read
1803 📖

"An epidemic raged in Glasgow, and there was scarcely a family, high or low, which escaped attacks from it. But at Glasgow they have an exceedingly well-appointed, well ventilated prison, and in that prison there was not a single case of epidemic…” (1/2) Image “…and in consequence of the overcrowding of the hospitals, which killed some two thousand people, they took forty cases into the [well ventilated] prison, and not one of them spread.”

Found in “The Constitution of Man in Relation to the Natural Laws” by George Combe, 1803. Image
Feb 11 • 7 tweets • 3 min read
Recent review in The Lancet🧵

Between 2000 and 2021:

“Laboratory acquired infections (LAIs) in 309 individuals in 94 reports for 51 pathogens.”

“16 accidental pathogen escapes from laboratory settings (APELS) were reported.”

*biased results: reliance on public available info. Image “Procedural errors represented the leading cause of laboratory-acquired infections (LAIs)..followed by unknown causes.. needlestick injuries..spills..not stated..splashes..broken vials..or animal bites.”

“…procedural errors were also the most common cause of fatal outcomes…” Image
Dec 13, 2023 • 8 tweets • 4 min read
Highly recommended article by Prof. Raymond Agius.
@ProfEmer

“Weak public health guidance, which did not recognise dominant airborne transmission, was applied to workplaces, leaving workers and others unprotected…”

👉 mattioli1885journals.com/index.php/lame…

Image “…in spite of prior scientific knowledge, UK government preparation was pathetic; the official narrative advocated measures directed against non-dominant modes of transmission (e.g., fomites) while practically ignoring airborne transmission (aerosols).” Image
Nov 1, 2023 • 9 tweets • 4 min read
Published in @TheLancet on January 24, 2020 (!)

Chinese scientists warned the world:
👉“Airborne precautions..are strongly recommended”

The @WHO refused to do this & also ignored the letter👇from @GlobalNursesU to @DrTedros (Jan. 30, 2020) asking @WHO for airborne precautions.
Image Source: thelancet.com/journals/lance…
Oct 29, 2023 • 8 tweets • 4 min read
Cambridge Disinformation Summit, July 2023:

@WHO’s Dir. of Comm. @gabbystern is confronted with WHO’s own misinformation by someone from the audience.

The bold questioner is… the great film producer Gale Anne Hurd (The Terminator, Aliens, The Walking Dead, …)

👏@GunnerGale
The reply of @gabbystern however avoids the whole issue.

She doesn’t answer why WHO claimed “COVID19 is not airborne” and why it took them so long to correct this.

In fact @WHO’s misinformation is STILL online, and they simply refuse to delete it or even to add a correction.
Oct 25, 2023 • 5 tweets • 2 min read
Bioaerosol scientist @brosseau_lisa:"This whole discussion about aerosols is something...infectious disease physicians…don't want to talk about...I think it frightens them."

Why is this even accepted?

Would we allow engineers to build bridges if they’re afraid of mathematics? Source: youtube.com/live/mCpjnh9cz…
Oct 24, 2023 • 4 tweets • 2 min read
On 30 January (!) 2020, Global Nurses United wrote @DrTedros a letter demanding @WHO to call for

“airborne precautions to be implemented when health care workers are caring for patients with possible or known 2019-nCoV infections.”

They were ignored.

👉 nationalnursesunited.org/sites/default/…

Image 👇
Oct 23, 2023 • 8 tweets • 4 min read
🧵February 7, 2020.

@DrMikeRyan on the cruise ship outbreak :
“Let’s be careful not to overreact..Remember, in SARS..this disease isn’t airborne..[😳]there was a great scare that this was airborne..It didn't turn out to be so..
a cruise ship is a very particular environment.” Transcript of this press conference (PDF download): who.int/docs/default-s…
Image
Oct 19, 2023 • 6 tweets • 3 min read
“What is the right message?”

Febr. 10, 2020. CBS Chief Medical Correspondent @DrLaPook shows Anthony Fauci the article “Coronavirus is airborne, Chinese official confirm.”

“we will be reaching millions of people. I'd love to get the latest and greatest public health message.”🧵
Image The article is correct and is based upon a press conference held on Feb. 8, 2020 by the Shanghai Municipal Government and confirmed that the new corona virus can be transmitted through aerosols and people may be infected by inhaling virus aerosols.

nzherald.co.nz/world/coronavi…
Image
Sep 19, 2023 • 11 tweets • 6 min read
🧵“Rebreathing exhaled air has been considered to facilitate he spread of infection…”

“Many studies have associated high CO2 level with high probability of infection spread in indoor spaces.”

“The @WHO has *not* developed guidelines for indoor CO2”🤔

sciencedirect.com/science/articl…
Image “The proposal to achieve CO2 levels of 1000ppm..will not only help achieve WHO guidelines for providing children with healthy indoor environments, it will also provide a low-cost intervention for helping control the TB epidemic in areas of high prevalence”
journals.plos.org/plosone/articl…
Image
Sep 7, 2023 • 5 tweets • 2 min read
Massachusetts, Act of 1888:

‘Every public building and every schoolhouse shall be ventilated in such a proper manner that the air shall not become so exhausted as to be injurious to the health of the persons present therein.’

The inspectors went from school to school with… 🧵
Image …their 19th century portable CO2 meters: ‘air-testers’ made by the German Professor Wolpert.

If these tests showed insufficient ventilation, the inspector wrote an order and later revisited the school, tested the air again to see whether the ventilation was indeed improved. Image
Jul 22, 2023 • 7 tweets • 3 min read
In the Journal of the Boston Society of Medical Sciences, anno 1896:

announcement of a method allowing portable CO2 meters “devised for practical use in school-rooms, factories and stores.”

“…can be carried in the pocket (…) to be used when desired.”

https://t.co/yn4wyeh276ncbi.nlm.nih.gov/pmc/articles/P…
Image In an 1899 article, Dr. Fitz explains his new, practical method of measuring CO2 in more detail.

Some “ready methods” (no lab necessary) already existed, but they were or not accurate enough, or not fit for schools because they were “beyond the technical skill of the teacher”.🧵 Image
Jul 21, 2023 • 5 tweets • 3 min read
👇Buried in a little-known IAQ document from last year (2022): recommendations for the use of CO2 meters in classrooms by… the @WHO!

Though the COVID-19 pandemic is not mentioned, it does advise to lower the alert limits of the CO2 sensors “in the case of severe epidemics”. Image Since the COVID-19 pandemic is not only “a case of a severe epidemic", but also a global indoor air crisis, wouldn't it be time for @WHO's infectious disease experts to start listening to @WHO_Europe’s indoor air experts?

Source: apps.who.int/iris/bitstream…
Jul 28, 2022 • 6 tweets • 2 min read
People from the 18th century would find it hard to believe that in the 21st century there is controversy over the claim that a patient suffering from a virus closely related to smallpox, “communicates an infectious quality to the air that surrounds him.”

Written in 1784: Book title: ‘An inquiry how... Source: books.google.be/books?id=4BdFA…
May 24, 2021 • 10 tweets • 4 min read
If you read about the history of ventilation, you will soon come across Max von Pettenkofer, who started measuring CO2 levels as an indicator of indoor air quality in 1858.

However...

... few realize that this has been done already for HUNDREDS OF THOUSANDS OF YEARS!🧵🐜1/4 Image Leafcutter ants of the genus Atta build gigantic underground nests with thousands of nest chambers. It houses a colony of millions of workers, ánd the fungi they grow to feed the brood.

Insufficient ventilation negatively affects growth of the fungi ánd that of the colony. 🐜2/4 Image
Jan 27, 2021 • 5 tweets • 4 min read
Viroloog @VanGuchtSteven gisteren in @deafspraaktv:

“De mensen die ik niet ontmoet heb, met wie ik geen dicht contact heb gehad, die kán ik niet besmetten.” 🤦‍♂️

Hier enkele besmettingen die volgens onze @sciensano viroloog ‘niet kunnen’. #COVIDisAirborne
Image Hier nog een interessant draadje met heel wat, volgens @sciensano viroloog @VanGuchtSteven, zogezegd ‘onmogelijke besmettingen’. (Steven Van Gucht 26/01/21: “Mensen met wie ik geen dicht contact heb gehad, die kán ik niet besmetten.” 🤷‍♂️)
Aug 9, 2020 • 26 tweets • 9 min read
Proposal for a #CitizenScience project:

• Take a mobile CO2 meter with you in various locations
• Post your measurements on Twitter
• Add the hashtag #covidco2 It would be interesting to reach people who, for example, work in a meat processing company (or other typical SSE locations) to participate. Then we finally could find out whether those cooled rooms (or those fitness centers, or classrooms,...) contain too much exhaled air.