you obviously don't know how to read
https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/how-covid-spreads.html
Actually 3ply masks don't protect at all for airborne that is why N95s are required learn some basics about disease transmission.https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/social-distancing.html
It says socially distance and wear a mask in a public setting
You seem so convinced you know everything about covid when actually nobody knows enough I speak to doctors on a daily basis, things are changing daily
Besides you can try attacking me while I actually stated it's not an excuse I'm questioning the science they are spewing.
This goes back to the same thing when people were saying I'm defending the hospital I work for to any extent without actually listening to what I have to say or the actual facts.
I didn’t attack you, nor did I intend to, though the tone of your post can certainly be construed as attacking me. It’s all good, though, and I apologize if you felt that I was in any way trying to attack you. I greatly appreciate your work for the community and your contributions here!
I don’t know everything about COVID nor does anybody but there is plenty that is widely known. I don’t have access to secret information, everything I know is public and easily available. Of course as more data comes in more information will be known.
To your points:
1)Thanks for linking to that, I believe that information was added yesterday. With that said, the wording they use is
There is evidence that under certain conditions, people with COVID-19 seem to have infected others who were more than 6 feet away. These transmissions occurred within enclosed spaces that had inadequate ventilation. Sometimes the infected person was breathing heavily, for example while singing or exercising.
Under these circumstances, scientists believe that the amount of infectious smaller droplet and particles produced by the people with COVID-19 became concentrated enough to spread the virus to other people. The people who were infected were in the same space during the same time or shortly after the person with COVID-19 had left.
Available data indicate that it is much more common for the virus that causes COVID-19 to spread through close contact with a person who has COVID-19 than through airborne transmission
I stand (somewhat) corrected, they do currently mention airborne droplets as a possible transmission method, although they do not confirm that it’s airborne. (That’s getting very technical and just for the purpose of saving face
).
Your original question was why the CDC requires face masks but not respirators. Of course full global use of respirators would be better for many reasons, but it’s not practical. So face masks, which definitely help to a large degree, are instead mandated. It’s not valid to ask “But it can still technically get through!” Yes, it can, which is why we still need to be cautious, but it fulfills its purpose in *reducing spread*.
2) What is your source that only N95 masks reduce airborne spread from an infected patient?
This study, among many others, shows that 3 ply masks are quite effective in reducing the amount of airborne particles released. Where there is a significant difference is in protection, not source control.
3) The link you posted says exactly what I said it does.
Where I most strongly disagree with you is the claim that the science they are using is somehow arbitrary or questionable. While many pieces of information are not confirmed they are using the available data and evidence (including many pieces of confirmed information’ to issue the best guidance they could, as they always do. In what way is this unique to this virus? There are constant breakthroughs in all areas of medicine and science, which is then incorporated into the guidance issued by the CDC and other organizations.
