A mi esas mascarillas me parecen un peligro publico.

Luz UV hace química y puede crear tóxicos, precisamente estamos escribiendo un artículo científico sobre eso. Si lo pones en el techo de una habitación es menos importante pero si está respirando todo el aire que ha pasado...
...por uv yo desde luego no lo haría.

Y además no está cerrado entonces ese tipo de cosas nunca te aíslan completamente del aire de la habitación porque el aire se mueve de forma caótica
Y si la persona está infectada, el virus parece que se expande por la habitación sin control?

O sea que sería un chisme totalmente egoísta?
Yo desde luego no me la pongo ni aunque me pagasen!

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More from @jljcolorado

12 Apr
1/ Presento en el 2o Congreso COVID de España a las 19 h, empezando en 5 minutos.

Inscribirse es gratis, y se puede hacer aqui:

2congresocovid.es
2/ Si quieren ver mis diapositivas (incluyendo muchas mas de las que me da tiempo a ensenar hoy) pueden ir a:

Bit.ly/COVID-aerosols2
3/ Para cosas practicas de como protejernos, no me da tiempo en esta ponencia, pero tiene 65 paginas de preguntas frecuentes contestadas por cientificos punteros aqui:

tinyurl.com/preguntas-espa…
Read 11 tweets
10 Apr
Dr. Conly (@WHO IPC Chair): "COVID is situational airborne"

Thomas Kuhn in “Structure of Scientific Revolutions” uky.edu/~eushe2/Pajare…

"Scientists faced w/ failing theory “devise numerous articulations & ad hoc modifications of their theory to eliminate any apparent conflict”
Last summer's "magical droplets" have not mutated into "situational airborne transmission"

Yes, it is transmitted in situations involving people re-breathing a lot of the same air indoors.

Not in situations outdoors o w/ good ventilation etc. when not re-breathing the same air.

So I guess "situational" is one way to put it...
Read 5 tweets
10 Apr
1/ La principal forma de transmisión del coronavirus es por aire

- T: ¿Qué significa que el virus está en el aire?

- JLJ: No es una definición fantasmagórica, no significa que el virus va a viajar kilómetros...

telam.com.ar/notas/202104/5…
2/ ... y va a venir a infectar; significa que de las personas infectadas sale como un humo invisible que puede contener el virus con capacidad de infectar; ese humo son los aerosoles respiratorios, son partículas muy pequeñas, invisibles, que se quedan flotando en el aire."
3/ "¿Cuándo respiras muchos aerosoles de otro?. En 2 situaciones: cuando estás muy cerca, sobre todo sin mascarilla/barbijo, o cuando compartes el aire en una habitación cerrada, pq el espacio cerrado atrapa el aire q esa persona está exhalando. Son 2 situaciones muy frecuentes"
Read 23 tweets
9 Apr
1/ On Twitter Sociology, Part 2

I've used Twitter extensively only during the pandemic. Most interactions are useful, including open discussions w/ other scientists & professionals, and lots of Q&A with the public.
2/ Then there are the trolls and perhaps bots. More common in Spain's twitter than in other spaces (not sure why).

I hesitated at first, but now when it is clear that they are not listening but just trying to stir idle discussion, I just block them.
3/ I don't block ppl (general public or especially scientists) that disagree with me, but that do so thoughtfully and respectfully. In fact I've learned the most from that kind of ppl.

We scientists know that ppl disagreeing with you is normal, and that's often how we learn.
Read 10 tweets
8 Apr
A great story on the Skagit Valley chorale outbreak

"@WHO & @CDCgov haven’t stressed that aerosols is dominant mode of infection"

Choir sp.: "We proved how you get this thing, & it’s so damn frustrating to watch the news & see that they’re ignoring it”

nytimes.com/interactive/20…
I'll be grateful to Carolynn Comstock and the Skagit Valley Chorale for as long as I live.

When other organizations absolutely refused to help us investigate the event, they bent over backwards and answered our myriad confusing questions quickly, as well as dozens of follow-ups
Read 5 tweets
5 Apr
1/ "Safe Spaces": Outstanding video explaining the main mode of transmission of COVID-19 (airborne) and how to protect ourselves.

By @VickiGSP w/ support from @trishgreenhalgh (+ limited input from me)

Posting as 3 tweets (bc of size limit), then link to complete YouTube video
2/ Part 2 of the video:
3/ Part 3 of the video:
Read 4 tweets

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