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Prof. Jose-Luis Jimenez Profile picture
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6 Jan, 4 tweets, 2 min read
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.
Otra opción (elastomérica):

twitter.com/one_canopy

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More from @jljcolorado

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… Image
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… Image
Read 55 tweets
Prof. Jose-Luis Jimenez Profile picture
4 Jan
.@CNN: Children's hospitals across the US are reporting pandemic-high hospitalizations as doctors say vaccinations for kids are critical

@DoctoraEdith of @Columbia: "We would be foolish to keep minimizing Covid-19 in children at this point in pandemic"

cnn.com/2022/01/04/hea…
2/ "96 Michigan children hospitalized with COVID-19, breaking pandemic record"

"Hospitalization rate among unvaccinated kids was 10 times higher than among those who had gotten a COVID-19 vaccine"

By @kristenshamus of @freep

freep.com/story/news/hea…
3/ COVID-19 hospitalization surge among U.S. children spurs new Omicron concerns

"OH: 125% increase in hospitalizations in 4 weeks. FL, NJ, IL: at least 2x average 7-day hospitalization of underage patients with the coronavirus over past week"

reuters.com/world/us/covid…

@Reuters
Read 4 tweets
Prof. Jose-Luis Jimenez Profile picture
31 Dec 21
The enormous fire yesterday a few miles south of us. 500+ homes destroyed, some friends lost everything.

Fueled by climate change (driest Jul-Dec on record, hurricane-force winds (likely made stronger by unusually strong thermal contrast). Why we need to #EndFossilFuels
A view from the air:

And a video taken by the police that could be from a Hollywood disaster movie:

Read 4 tweets
Prof. Jose-Luis Jimenez Profile picture
30 Dec 21
ON LOGICAL FALLACIES & TWITTER.

Before the pandemic I didn't use Twitter much. Now I am becoming an expert on the many types of logical fallacies that people who do NOT have any arguments use to try to discredit scientists

A good list here:

en.wikipedia.org/wiki/List_of_f…
When people do not reply to the arguments being made, doesn't provide data or analysis, often resort to various types of ad hominem attacks

Take it as a compliment (you won argument, they have nothing else to say) & disengage

If they insult, then block

en.wikipedia.org/wiki/Ad_hominem
3/ I've decided to catalogue and respond here to some of the most common things I am confronted with, in an attempt to diminish my expertise, question my motives, and turn people against me in general.
Read 20 tweets
Prof. Jose-Luis Jimenez Profile picture
25 Dec 21
The @CDCofBC doesn't know jack sh*t about airborne transmission.

OF COURSE distance reduces transmission for airborne! Exhaled virus-containing aerosols are far more concentrated near the infected person.

This has been misinterpreted for a century as "droplet transmission" Image
They are repeating the error of Alexander Langmuir (later of the @CDCgov) in the 1940s, which led them to erroneously underestimate the importance of airborne transmission for many diseases.
Details in this thread:
Read 5 tweets
Prof. Jose-Luis Jimenez Profile picture
24 Dec 21
87/ MEXICO: very poor ventilation in movie theater @Cinemex (Pabellón Cuauhtémoc)

2300 ppm CO2 = ~5% of air that people breathe is "second-hand air", that has been in someone else's lungs before

Without distance, eating/drinking (so no masks) etc.

88/ CANADA (BC @PHSAofBC): Top Public Health Official B. Henry in incredible collection of errors and denial of science during 2021

- denying obvious airborne
- denying that masks protect against aerosols
- denying school transmission
- so many more...

89/ MEXICO: (Guadalajara, @FILGuadalajara) cabins for spraying disinfectants on people before entering the Book Fair

For an airborne virus (who.int/news-room/ques…) that goes poorly, if at all, thru surfaces (cdc.gov/coronavirus/20…)

HT @miricaiba Image
Read 31 tweets

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