respirators, goes against a basic understanding of aerosols and physics.
October 12, 2026 at 10:10 AM
respirators, goes against a basic understanding of aerosols and physics.
Let me guess...public health and infection control suggest using a medical mask when within 3 feet of anyone producing diphtheria-containing aerosols, and beyond that they believe it can be prevented by firmly telling the bacteria that some VIP medical influencers say aerosols aren't real?
October 11, 2026 at 6:39 PM
Let me guess...public health and infection control suggest using a medical mask when within 3 feet of anyone producing diphtheria-containing aerosols, and beyond that they believe it can be prevented by firmly telling the bacteria that some VIP medical influencers say aerosols aren't real?
How does this agree/disagree with Hansen's explanation that recent record temps are due to high ECS (~4.5ºC) coupled with recent reductions in aerosols where aerosols are responsible for more cooling than previously thought (especially over the oceans)?
October 12, 2026 at 5:49 PM
How does this agree/disagree with Hansen's explanation that recent record temps are due to high ECS (~4.5ºC) coupled with recent reductions in aerosols where aerosols are responsible for more cooling than previously thought (especially over the oceans)?
Les classes populaires sont les premières à être atteintes par les affections pulmonaires liées aux aérosols routiers (tous les arguments des parlementaires LFI pour justifier leur vote avec LR et le RN relèvent d'un pur populisme électoral et #antisocial)
Eh bien finalement Jeudi à l'Assemblée, LFI a encore voté avec la droite et le RN contre un amendement EELV en faveur des ZFE. Et c'est uniquement de l'obstruction parlementaire qui a empêché le le RN d'obtenir un vote sur une nouvelle interdiction des ZFE.
lcp.fr/actualites/z...
lcp.fr/actualites/z...
October 11, 2026 at 12:16 PM
Les classes populaires sont les premières à être atteintes par les affections pulmonaires liées aux aérosols routiers (tous les arguments des parlementaires LFI pour justifier leur vote avec LR et le RN relèvent d'un pur populisme électoral et #antisocial)
It was in the aptly named Journal of Hospital Infection for anyone who might be interested, but make sure you take your blood pressure meds first
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Airborne transmission and precautions: facts and myths
Airborne transmission occurs only when infectious particles of <5μm, known as aerosols, are propelled into the air. The prevention of such transmissio…
www.sciencedirect.com
October 12, 2026 at 3:44 PM
It was in the aptly named Journal of Hospital Infection for anyone who might be interested, but make sure you take your blood pressure meds first
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Édit : on a écrit un peu vite ; on parle bien de la concentration de dioxyde de carbone dans l'air intérieur. Si le CO2 s'accumule, les aérosols expirés aussi - manque de renouvellement d'air. Plus il monte, plus le risque de transmission aéroportée augmente.
October 10, 2026 at 12:49 PM
Édit : on a écrit un peu vite ; on parle bien de la concentration de dioxyde de carbone dans l'air intérieur. Si le CO2 s'accumule, les aérosols expirés aussi - manque de renouvellement d'air. Plus il monte, plus le risque de transmission aéroportée augmente.
Rotation of aerosols
October 13, 2026 at 6:00 AM
Rotation of aerosols
I think they shouldn’t be commenting on IPC or aerosols -as it’s not their area and it’s become a problem that they think it is.
October 14, 2026 at 1:27 PM
I think they shouldn’t be commenting on IPC or aerosols -as it’s not their area and it’s become a problem that they think it is.
COVID doesn't travel in 5nm particles. It travels in aerosols of typically several microns or more (a thousand times larger than you suggest).
October 11, 2026 at 4:18 PM
COVID doesn't travel in 5nm particles. It travels in aerosols of typically several microns or more (a thousand times larger than you suggest).
I feel like defining the thing the entire paper is about using an error that has been known to be false for 81 years at the time of writing *in the very first sentence* is a bad start.
Totally on-brand for hospital infection control.
But still bad.
Totally on-brand for hospital infection control.
But still bad.
October 12, 2026 at 4:48 PM
I feel like defining the thing the entire paper is about using an error that has been known to be false for 81 years at the time of writing *in the very first sentence* is a bad start.
Totally on-brand for hospital infection control.
But still bad.
Totally on-brand for hospital infection control.
But still bad.
À l’extérieur le risque infectieux par aérosols est extrêmement faible, sauf à être dans le panache de respiration d’une personne malade. À l’intérieur par contre, sans aération, le niveau de CO2 s’envole très vite et le risque infectieux avec. Sans compter maux de tête, perte de concentration, etc…
À 3286 ppm, c’est plus de 7% de l’air que vous respirez qui vient directement des poumons de quelqu’un d’autre. Avec peut-être un Covid, une grippe, ou tout pathogène transmis par l’air.
October 11, 2026 at 9:10 AM
À l’extérieur le risque infectieux par aérosols est extrêmement faible, sauf à être dans le panache de respiration d’une personne malade. À l’intérieur par contre, sans aération, le niveau de CO2 s’envole très vite et le risque infectieux avec. Sans compter maux de tête, perte de concentration, etc…
We don't actually understand how clouds form. But that's going to change. #ScienceSky 🧪#ClimateSky 🌐
source.washu.edu/2026/10/in-t...
source.washu.edu/2026/10/in-t...
In the clouds
Under a new federal grant, a WashU team will use AI and statistics to study the impact of aerosols on marine low clouds. That knowledge can help communities protect health and prepare for extreme weat...
source.washu.edu
October 12, 2026 at 3:59 PM
We don't actually understand how clouds form. But that's going to change. #ScienceSky 🧪#ClimateSky 🌐
source.washu.edu/2026/10/in-t...
source.washu.edu/2026/10/in-t...
In other words, the problems we have had regulating our additions of carbon to the atmosphere and the problems we would have regulating the deliberate addition of aerosols to atmosphere largely overlap.
Thus viewing SRM as an alternative solution is wrong practically as well as scientifically.
Thus viewing SRM as an alternative solution is wrong practically as well as scientifically.
October 14, 2026 at 2:47 PM
In other words, the problems we have had regulating our additions of carbon to the atmosphere and the problems we would have regulating the deliberate addition of aerosols to atmosphere largely overlap.
Thus viewing SRM as an alternative solution is wrong practically as well as scientifically.
Thus viewing SRM as an alternative solution is wrong practically as well as scientifically.
We searched in a multidisciplinary database so it was a nice opportunity to view how different scholars were studying this topic.
regulatory
involuntary exposure
marketing
addiction
epidemiology
psychology/susceptibility
adolescent health
lung injury
dispersion of aerosols
/4
regulatory
involuntary exposure
marketing
addiction
epidemiology
psychology/susceptibility
adolescent health
lung injury
dispersion of aerosols
/4
October 14, 2026 at 7:35 PM
We searched in a multidisciplinary database so it was a nice opportunity to view how different scholars were studying this topic.
regulatory
involuntary exposure
marketing
addiction
epidemiology
psychology/susceptibility
adolescent health
lung injury
dispersion of aerosols
/4
regulatory
involuntary exposure
marketing
addiction
epidemiology
psychology/susceptibility
adolescent health
lung injury
dispersion of aerosols
/4
One could argue that anyone that goes around kissing complete strangers in the shops etc is the one with a problem (I guess raw dogging others snot laden aerosols isn’t too much different to kissing 🤷♀️ ).
Not the person protecting their health with an n95.
Not the person protecting their health with an n95.
October 11, 2026 at 6:20 AM
One could argue that anyone that goes around kissing complete strangers in the shops etc is the one with a problem (I guess raw dogging others snot laden aerosols isn’t too much different to kissing 🤷♀️ ).
Not the person protecting their health with an n95.
Not the person protecting their health with an n95.
Oui on ne le rappelle pas suffisamment souvent : on parle de la concentration de dioxyde de carbone CO2 en ppm dans l'air intérieur. Si le CO2 s'accumule, les aérosols expirés aussi - manque de renouvellement d'air. Plus il monte, plus le risque de transmission aéroportée augmente.
October 10, 2026 at 12:50 PM
Oui on ne le rappelle pas suffisamment souvent : on parle de la concentration de dioxyde de carbone CO2 en ppm dans l'air intérieur. Si le CO2 s'accumule, les aérosols expirés aussi - manque de renouvellement d'air. Plus il monte, plus le risque de transmission aéroportée augmente.
N95s have been tested as filtering down to 10 nm, and the test simply didn't look at even smaller particles. Bare viruses are more around 100 nm, and carried in larger aerosols.
October 11, 2026 at 11:01 PM
N95s have been tested as filtering down to 10 nm, and the test simply didn't look at even smaller particles. Bare viruses are more around 100 nm, and carried in larger aerosols.
Eugh. What scares me is people i meet in public health labs couldn't tell me about the risks of working with bacterial pathogens, not even cat3, not aerosols, couldn't identify potential exposure.
Much bigger issue than 1 lab and plague.
Much bigger issue than 1 lab and plague.
October 13, 2026 at 10:09 AM
Eugh. What scares me is people i meet in public health labs couldn't tell me about the risks of working with bacterial pathogens, not even cat3, not aerosols, couldn't identify potential exposure.
Much bigger issue than 1 lab and plague.
Much bigger issue than 1 lab and plague.
And road dust, while *volumetricly* the largest component of road vehicle pollution, is primarily large inert particles that settle easily, and little of the hazardous ultrafine aerosols that penetrate deep into the alevoli (unlike brake dust, exhaust, and hazardous gases).
October 13, 2026 at 9:43 AM
And road dust, while *volumetricly* the largest component of road vehicle pollution, is primarily large inert particles that settle easily, and little of the hazardous ultrafine aerosols that penetrate deep into the alevoli (unlike brake dust, exhaust, and hazardous gases).
From The Atlantic:
Pneumonic plague does not spread via aerosols, like Covid does. This makes it significantly less contagious and far easier to contain. 
Pneumonic plague does not spread via aerosols, like Covid does. This makes it significantly less contagious and far easier to contain. 
October 8, 2026 at 2:18 PM
From The Atlantic:
Pneumonic plague does not spread via aerosols, like Covid does. This makes it significantly less contagious and far easier to contain. 
Pneumonic plague does not spread via aerosols, like Covid does. This makes it significantly less contagious and far easier to contain. 
SI is not even just used for scientific stuff, here. Over government sets policies using SI, like how the TSA sets liquid limits at 100 ML (3.4 oz).
www.tsa.gov/travel/secur...
www.tsa.gov/travel/secur...
Liquids, Aerosols, and Gels Rule | Transportation Security Administration
The TSA Liquids, Aerosols, and Gels Rule outlines restrictions on carrying liquids through airport security.
www.tsa.gov
October 14, 2026 at 2:19 PM
SI is not even just used for scientific stuff, here. Over government sets policies using SI, like how the TSA sets liquid limits at 100 ML (3.4 oz).
www.tsa.gov/travel/secur...
www.tsa.gov/travel/secur...
I can assure you that I wash my hands thoroughly. It's a layer of protection but it's not protective against aerosols that float through the air and it's negligent not to mention this route of transmission.
October 7, 2026 at 5:18 PM
I can assure you that I wash my hands thoroughly. It's a layer of protection but it's not protective against aerosols that float through the air and it's negligent not to mention this route of transmission.
Read more: www.frontiersin.org/journals/env...
Frontiers | Conceptual analysis on synergetic retrievals of self-consistent aerosol property climate data records
The influence of aerosols on climate is determined not only by their global distribution but also by their composition. However, so far, a large fraction of ...
www.frontiersin.org
October 13, 2026 at 3:28 PM
Read more: www.frontiersin.org/journals/env...