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Prof. Jose-Luis Jimenez Profile picture
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9 Jan, 3 tweets, 8 min read
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater Airborne and aerosol transmission are the same thing, they are synonyms. E.g. @WHO page on transmission uses both terms interchangeably for BOTH short-range and long-range:

who.int/news-room/ques…
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @WHO And I fully agree with "You need be cautious with dogmatic statements be cause lives are lost when the science and interpretation of evidence is wrong"

I wish @WHO had considered that BEFORE they told us airborne transmission of COVID was MISINFORMATION

@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @WHO That dogmatic statement by @WHO (following on 110 years of #DropletDogma WITHOUT EVIDENCE FOR IT, has caused millions of deaths.

One of the largest errors in the history of public health.

So we agree! Dogmatic statements w/o evidence are a major problem

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Prof. Jose-Luis Jimenez Profile picture
11 Jan
1H/ The new #COVIDHallofHumor

As many of your know we have started 2 ongoing threads of good and bad practices worldwide against COVID transmission

- #COVIDHallofShame:

- #COVIDBestPractices:
2H/ The good examples are much more fun to compile, but unfortunately there seem to be many more bad examples everywhere.

So inspired by tweet by @microlabdoc, I thought it may be good (at least for our mental health) to start a #COVIDHallofHumor

Pls submit by adding that tag
3H/ UK 🇬🇧: Here we see @microlabdoc demonstrating a new method to clean the air of viruses

Cheap and easy. Only need pins, a scarf, disinfectant wipes, and work that you really want to avoid for the next 30 min!



#COVIDHallofHumor
Read 6 tweets
Prof. Jose-Luis Jimenez Profile picture
9 Jan
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @WHO Yes, after yelling at us when we met with them (@WHO and its IPC committee) on 3-Apr-2020, when we already had MORE evidence of airborne transmission than they did for large droplets or fomites. + ignoring us later

This article tells some of that story:

wired.com/story/the-teen…
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @WHO But still a GREAT example that proves YOUR statement right: "You need be cautious with dogmatic statements be cause lives are lost when the science and interpretation of evidence is wrong"

It WAS a dogmatic statement, and lots of lives have been lost, bc @WHO's science was wrong
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @WHO And to this day, that statement still has an impact, as people in the medical profession that have public health power, refuse to accept the evidence FULLY: 0 evidence for droplets or surfaces, overwhelming evidence for airborne (short & long range).

See:
Read 6 tweets
Prof. Jose-Luis Jimenez Profile picture
8 Jan
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @trishgreenhalgh @DFisman @CDCgov @Harvard Transmission in close proximity is dominated by short-range airborne transmission (aerosol inhalation) -- NOT droplets.

And most spaces worldwide (even the US) are poorly ventilated, as we can easily verify measuring CO2 (#covidCO2). So a lot of shared-room transmission
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @trishgreenhalgh @DFisman @CDCgov @Harvard For example the Norway restaurant superspreading event for omicron led to 75% of the current omicron cases in that country. So clearly shared room transmission is major.

And 10% of cases --> 80-90% of transmission. Mostly shared room airborne superspread: nature.com/articles/d4158…
@Teddybird @krishlex @YouTube @gideonlasco @DOHgovph @ntfcovid19ph @iamguidodavid @friaronwater @trishgreenhalgh @DFisman @CDCgov @Harvard Some people argue that contact tracing results indicate that most transmission is in close proximity. But that's a circular argument. Contact tracing only investigates close proximity.

Like drunk person who only looks for keys below the streetlight (en.wikipedia.org/wiki/Streetlig…)
Read 6 tweets
Prof. Jose-Luis Jimenez Profile picture
8 Jan
1/ LOS CASOS DE SUPERCONTAGIO LOS EXPLICA LA TRANSMISIÓN POR EL AIRE EN HABITACIONES COMPARTIDAS

Lo demostramos en nuestro paper (revisado por pares) en @EnvSciTech:

pubs.acs.org/doi/abs/10.102…

El modelo matemático funciona. Y "no hay nada más práctico q una buena teoría"
2/ Los casos de supercontagio son muy importantes para la pandemia (10% de contagiados --> 80-90% de nuevos casos).

Por ejemplo el caso del restaurante de Noruega con omicron es la causa del 75% de los casos actuales en ese país.

nature.com/articles/d4158…
3/ Hay muchos casos famosos de supercontagio

Por ejemplo el caso del restaurante de Guangzhou en China:

sciencedirect.com/science/articl…
Read 75 tweets
Prof. Jose-Luis Jimenez Profile picture
7 Jan
1/ SUPERSPREADING IS EXPLAINED BY SHARED-ROOM AIRBORNE TRANSMISSION

We can use that to estimate risk of transmission for omicron & other diseases

Our peer-reviewed paper was just published (open access) in @EnvSciTech

I'll explain it in this thread

pubs.acs.org/doi/abs/10.102…
2/ Some background first, for people who may not have seen this before:

We have known for a long time that airborne transmission is dominant for COVID-19. See this thread for some of the evidence base:

3/ The fact that airborne transmission is important is widely accepted in the scientific community

[except for some recalcitrant holdouts in IPC (infection prevention and control)]

But e.g. @WHO admits it clearly on its webpage:

who.int/news-room/ques…
Read 55 tweets
Prof. Jose-Luis Jimenez Profile picture
6 Jan
Una mascarilla transparente FFP3 que sería ideal para sordos en el momento actual.

Dice "FFP3 NR - EN149:2011 certification print"

@urgenciasemerge, es de fiar?

@MLechet, una vez q conteste Elena, podría ser muy buena opción
Veo aquí q las ha aprobado @DHSCgovuk (Ministerio de Sanidad del Reino Unido), así que supongo q funcionarán bien.

OOPS, the masks in the two previous tweets are NOT the same one. So please @urgenciasemerge let us know what you think, if you have time.
Read 4 tweets

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