1/ Prof. Lidia Morawska, the leader of our "Group of 36 Scientists" that challenged @WHO from April 2020 on airborne transmission of SARS-COV-2, has been selected as one of the 100 Most Influential People of 2021 by @TIME

time.com/collection/100…
2/ "Lidia Morawska stands out among peers for her work in recognizing the importance of aerosol transmission and marshaling the data that would convince the World Health Organization and other authoritative bodies to do the same."
3/ This is a paper from our group and colleagues that Lidia led, and that was published in @ScienceMagazine earlier this year:

"A paradigm shift to combat indoor respiratory infection"

This paradigm shift has major implications for global health

science.org/doi/full/10.11…
4/ Lidia was among the first to call attention to the fact that SARS-COV-2 was an airborne virus, despite the denials from @WHO, @CDCgov, & others:

"Airborne transmission of SARS-CoV-2: The world should face the reality"

(submitted 3-Apr-2020)

sciencedirect.com/science/articl…
5/ She also led this paper from our group about practical ways to limit airborne transmission, which has served as a guide for many mitigation efforts:

"How can airborne transmission of COVID-19 indoors be minimised?"

sciencedirect.com/science/articl…
6/ LM has participated in many other key papers, e.g. airborne transmission dominating the Skagit Choir outbreak (led by @ShellyMBoulder):

"Transmission of SARS-CoV-2 by inhalation of respiratory aerosol in the Skagit Valley Chorale superspreading event"

onlinelibrary.wiley.com/doi/10.1111/in…
7/ And this paper that established the basis for modeling airborne transmission of SARS-COV-2 (e.g. our estimator at tinyurl.com/covid-estimator):

"Estimation of airborne viral emission: Quanta emission rate of SARS-CoV-2 for infection risk assessment"

sciencedirect.com/science/articl…
8/ And this paper that applied the airborne transmission model to different outbreaks and scenarios:

"Quantitative assessment of the risk of airborne transmission of SARS-CoV-2 infection: Prospective and retrospective applications"

sciencedirect.com/science/articl…
9/ Unfortunately it took a year for @WHO to accept Lidia's insights, as summarized in this (highly recommended) article by @MeganMolteni in @WIRED

wired.com/story/the-teen…
10/ Lidia has done so much that I forgot probably the most important: the letter where she led 239 scientists asking @WHO to acknowledge importance of airborne transmission of COVID-19 (July 2019)

"It Is Time to Address Airborne Transmission of COVID-19"

academic.oup.com/cid/article/71…

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More from @jljcolorado

9 Sep
1/ AIRBORNE TRANSMISSION OF RESPIRATORY VIRUSES: THE COMIC VERSION

Supplementary multimedia prepared by lead author @ChiaWang8 to our recent @ScienceMagazine peer-reviewed paper

science.org/doi/10.1126/sc…

@kprather88 @linseymarr @zeynep @Lakdawala_Lab @zeynep
2/ The cast of characters: aerosols & droplets
3/ So what are aerosols?
Read 23 tweets
30 Aug
1/ ¿CÓMO PREVENIR LA TRANSMISIÓN AÉREA DE VIRUS RESPIRATORIOS? (incluyendo COVID-19)

En artículo de @ScienceMagazine resumimos la evidencia científica q muestra que casi todos los virus respiratorios tienen transmisión importante por el aire (aerosoles)

science.sciencemag.org/content/373/65…
2/ En este hilo anterior he explicado la parte científica, revisando la evidencia, los errores de la OMS y la @CDCgov y la historia del último siglo que los explica, así como los procesos que tienen que suceder para que la transmisión aérea ocurra.

3/ ¿Qué podemos hacer para reducir la transmisión y protegernos mejor?

La mayoría de las cosas que funcionan son gratis o de bajo coste. Y sustituyen cosas que no sirven para nada (como desinfección de superficies y mamparas laterales) que también cuestan dinero.
Read 82 tweets
28 Aug
1/ TRANSMISIÓN AÉREA DE VIRUS RESPIRATORIOS

Articulo revisado por pares en @ScienceMagazine, evaluamos la evidencia científica. Concluimos que es importante no sólo para COVID-19, sino también para otras enfermedades respiratorias como gripe y resfriados

science.sciencemag.org/content/373/65…
2/ If you are interested in the English version of this thread, you can find it here:

3/ Un honor haber trabajado en este equipo multidisciplinar incluyendo virología, fisiología pulmonar, ciencia de aerosoles, y sociología, con @ChiaWang8, @kprather88, @Lakdawala_Lab, Josué Sznitman, @linseymarr, and @zeynep

Este hilo trata de resumir y dar contexto al artículo
Read 52 tweets
27 Aug
1/ TODOS LOS VIRUS RESPIRATORIOS SE TRANSMITEN POR EL AIRE

Algunos artículos periodísticos que resumen nuestro artículo de ayer en @ScienceMagazine

science.sciencemag.org/content/373/65…
2/ Ayer hice un hilo en inglés explicando el artículo y su contexto. Este fin de semana pondré el mismo hilo en español. De momento pongo aquí algunos artículos periodísticos que son más fáciles de leer.

Confirman que no solo el SARS-CoV-2, sino la mayoría de los virus respiratorios se propagan por aerosoles

Por @norabar vía @eldestapeweb

eldestapeweb.com/sociedad/cienc…
Read 13 tweets
26 Aug
1/ AIRBORNE TRANSMISSION OF RESPIRATORY VIRUSES

A new peer-reviewed paper in @ScienceMagazine, reviewing the scientific literature on this topic. We conclude it is important not just for COVID-19, but also for other respiratory diseases such as the flu

science.sciencemag.org/content/373/65…
2/ An honor to have worked in a multidisciplinary team across virology, pulmonary physiology, aerosol science, and sociology with Chia Wang, @kprather88, @Lakdawala_Lab, Josué Sznitman, @linseymarr, and @zeynep

Will try to summarize the paper and give some context in this thread
3/ Brief intro: what are droplet vs. airborne transmission?

"Droplets" are larger balls of saliva and respiratory fluid, that we emit when we talk, shout, sing, cough or sneeze.

They behave like projectiles, and fall to the ground within 1-2 m of the infected person
Read 81 tweets
30 Jul
1/ WaPo: "The delta variant of the coronavirus spreads as easily as chickenpox, according to an internal Federal health document"

washingtonpost.com/health/2021/07…
2/ Chickenpox spreads as easily as measles, because both are airborne. E.g. this paper for chickenpox:

nejm.org/doi/full/10.10…
3/ Early in the pandemic, @WHO & @CDCgov experts explained that COVID could not be airborne because it was much less contagious than measles (e.g. aricjournal.biomedcentral.com/articles/10.11…)

The Delta variant has shown that argument to be complete BS, as we have been arguing for more than a year.
Read 8 tweets

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