1/ We are collecting the many letters that have been written (by scientists, healthcare workers, and worker unions) to governments and national public health org. asking them to recognize and confront aerosol transmission of COVID-19.

They are at: Bit.ly/Letter_Inhalat… Image
2/ Quite a few from the US, UK, Canada, Australia.

Including the one that we sent recently to the Biden administration, and the one from key US House members supporting us.

cbsnews.com/news/covid-19-…
3/ If you know of other letters we should add (also from other countries and languages) let us know.

HT @brosseau_lisa
4/ Update: I've added 2 more letters from Colombia and Spain (in that case a longer document, but it has a section on aerosols asking for recognition of their importance and control measures).

Will add a couple of letters from Quebec when I get them.
5/ Update 2: I just added the PDF of letter from July 2020 from the 239 scientists that we published in Clinical Infectious Diseases, including the full list of signatories.

academic.oup.com/cid/article/71…
6/ Update 3: I've added several more from Canada, Australia, and the UK.

It is amazing how many scientists and health care workers have written to their respective governments & PH officials asking for ACTION. And the deafening silence in response.
7/ Update 4:

A timeline for these letters has been created

its-airborne.org/letters

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More from @jljcolorado

4 Mar
1/ GOOD VIDEOS TO EXPLAIN COVID-19 AIRBORNE TRANSMISSION

A journalists just asked me for those. So I thought of the ones below, but please reply with others that also do a good job.
2/ A really good explanation of transmission from @marinavance, @ShellyMBoulder et al:

3/ The real reason why social distance reduces transmission.

Aerosols get diluted and rise, so we inhale less of them at a distance, like smoke.

By @VVuorinenAalto

Read 12 tweets
1 Mar
1/ Democratic leaders criticize Biden administration's "outmoded" guidance on aerosol COVID-19 spread

cbsnews.com/news/covid-19-… via @CBSPolitics
2/ "In a 4-page letter addressed to White House COVID response chief, @CDCgov Director @RWalensky & Acting Labor Sec. Al Stewart, 4 House committee chairs say they have "serious questions" about the adequacy of the CDC's guidance on workplace protection from aerosol transmission"
3/ "For the last two weeks, scientists, experts and unions have been prodding the administration to be more specific about guidance on exposure to small aerosol particles that carry COVID-19, which they say the CDC's official guidelines downplay."
Read 7 tweets
1 Mar
1/ Today the American Mask Manufacturers Association & INDA both wrote letters to the Biden Administration supporting our scientists' letter, & showing there is sufficient US supply & capacity to provide workers w/ the needed respiratory protection (respirators & ASTM face cov.)
2/ The letter should finally make clear that there is NOT a U.S. supply problem- only the failure to support production & to recommend/require the necessary respiratory protection for workers with higher risk of exposure...
3/ ... and high quality barrier face coverings that comply with the new ASTM standards for other workers and the public.

Today's Letter (and our US scientist and international letters) at:

Bit.ly/Letter_Inhalat…
Read 8 tweets
28 Feb
1/ Cada vez esta mas claro que #COVIDEstaEnElAire.

En principio los virus respiratorios se pueden transmitir de 3 maneras: por superficies, por gotas proyectiles, y por el aire (“aerosoles”).

academic.oup.com/jpids/article/…
2/ O como dice el Prof. Yuguo Li (líder mundial en este campo) tenemos que pensar en 3 mecanismos:

- tocar superficies
- spray de gotas (= proyectiles)
- inhalación de aerosoles

onlinelibrary.wiley.com/doi/full/10.11…
3/ ¿Por que ha sido tan difícil controlar esta pandemia?

Porque nos han hecho defendernos y gastar muchos recursos en vías de transmisión poco importantes, y han ignorado las medidas de protección que de verdad si funcionan.

(También por no inmunidad, y trans. sin síntomas)
Read 39 tweets
27 Feb
Informe oficial sobre transmisión del virus en hoteles de cuarentena en Australia: TRANSMISIÓN AÉREA
Contexto:

- OMS @WHO: transmisión por aire es casi imposible
- Es muy difícil de probar, y se sigue resistiendo (e.g. la OMS @WHO)
- Se prueba definitivamente con brotes en sitios donde hay poquísimos casos.

LO MISMO que paso con la viruela:
"Los que no conocen la historia están condenados a repetirla"
Read 4 tweets
27 Feb
I am one of the scientists that sent the letter to the Biden administration asking them to better protect workers against aerosol transmission.

This employee was fired for correctly asking for those protections.

Shame on Trader Joe's. And on @CDCgov's inaction that allows this.
@drdavidmichaels is the former longest-serving head of @OSHA_DOL, and a signatory of our letter to the Biden administration.

As he points out, firing someone for raising a safety concern is illegal.

Read 7 tweets

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