@spazzpp2 indeed but it is important to understand how to interprit studies and to identify direct evidence and confounding so you can get a sense of if causality is demonstrated.
The problem with lay people reading studies is they cant really do the work, they can just read the conclusions and have no idea as to how strongly those conclusions represent causality
@spazzpp2 Yes it is, and due to the lack of good or definitive studies all we have to go on is opinion. Thats my point.
@spazzpp2 yea we know COVID kills
The existance of studies doesnt imply the studies support the conclusions your drawing. As I covered wgle studies do exist none of them are valid or complete for the aforementioned reasons.
> Actually sub-micron particles are created in infectious levels with every breath.
Incorrect, studies have shown normal breathing creates virtually no aerosol.
> Even when all the H2O has evaporated from a particle, there can remain lipids and the protein shell of the virus itself can help keep it viable.
No viruses dont persist outside of droplets. That would be true airborne status and there is simply no evidence to suggest that is the case as shown by the following study:
"If SARS-CoV-2 could travel in the air, outside liquid droplets, it might be carried longer distances on air currents. There is currently no robust scientific evidence to support airborne transmission of SARS-CoV-2."
Morawska L, Cao J. Airborne transmission of SARS-CoV-2: The world should face the reality. Environment International. 2020 Apr;139:105730. DOI: 10.1016/j.envint.2020.105730.
@underlap thanks.
sub micron particles are considered aeresol. They arent really produced in any detectable quantity with normal breathing, though they arent non existant. However unless its humid out they are going to evaporate super fast as well.
The point here is that airborne isnt airborne in the same sense as smoke.
Now this I can support. I'd finally have a good excuse to buy a rebreather :)
If you cared about other people you'd duct tape a plastic bag over your head and then put a mask over it
To put it in perspective, according to studies normal breathing produces virtually no aerosol and no risk (unlike smoke). Which that alone should give you a good idea why airborne doesnt really mean airborne in the usual sense you think of.
The maller the droplet size the shorter it can persist since it will dry out faster. larger droplets fall out of the air quicker and also dont persist. Smoke will persist much longer in terms of smell as they are smaller, dont dry out, and most importantly are ionized.
@underlap You cant follow anyone from any server? You are using the web interface?
Agreed. Like i said i wasnt trying to negate your point. Just pointing out some relevant nuance.
I agree, I wasnt saying its acceptable just pointing it out.
One point of clarity, the co2 levels are acceptable for short term exposure but considered harmful only for long term exposure.
Fair.
Though to be clear airborne diseases arent o literally airborne. That is the virus only persists in droplets. So smoke is going to carry way more than the virus would.
@underlap Not sure why your account being new would matter.
Depends on the journal. There are many great journals, some stink. Journals arent about validating conclusions, they just make sure the data and quotes and citations are all valid. Its up to the scientist reading it to evaluate the weight of the study itself based on the content. The journal just assures the reader that there arent bald face lies.
Jeffrey Phillips Freeman
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