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originally posted by: McGinty
a reply to: hopenotfeariswhatweneed
You can see that pattern in every nation that’s allowed the virus to get out of control;
originally posted by: asdfas
Masks protect wearer.
The CDC was forced to lie early on
Fauci admitted that recently.
originally posted by: Phage
a reply to: Rich Z
I'm saying that the primary intent of going masked in public is not to protect the maskee, but others.
I thought everybody knew that.
originally posted by: Phage
Fine in a lab setting, I'm not sure how practical it would be in an actual health care setting. In lieu of that, they do use face shields, of course. Oh, I see that it's a portable, self-contained thing. A blower, basically.
I read it the same way you do. The total is actually 35.1%, not that I'm arguing your ~34% is incorrect, rather, I note that a 35% reduction means that the chances of transmission are 65% as great as they are without such measures. That is clearly NOT what Dr Blumberg is quoted as saying since he's talking about a 65% reduction, so it's not a good answer, but that's the only way I can see to come up with 65% from that meta study, which is not the right answer, it's 14% as you say. So maybe he got 65% from a different source, but if not, something really got garbled if that's really the source.
In an article about Dr. Blumberg's statements was a reference to this metastudy. I can't find that 65% figure though, specific to masking. It looks to me like masks have a risk difference of -14%. Am I reading that right? Or does some other factor have to be applied to that number? Maybe he's including the RD of an infected person also wearing a mask? Or maybe he's referencing something else all together.
The total (of distancing, face masks, and eye shielding) seems to be about -34%. That's seems pretty dismal. I'm obviously interpreting it incorrectly. Help, please.
Results The rates of all infection outcomes were highest in the cloth mask arm, with the rate of ILI statistically significantly higher in the cloth mask arm (relative risk (RR)=13.00, 95% CI 1.69 to 100.07) compared with the medical mask arm. Cloth masks also had significantly higher rates of ILI compared with the control arm. An analysis by mask use showed ILI (RR=6.64, 95% CI 1.45 to 28.65) and laboratory-confirmed virus (RR=1.72, 95% CI 1.01 to 2.94) were significantly higher in the cloth masks group compared with the medical masks group. Penetration of cloth masks by particles was almost 97% and medical masks 44%.
Conclusions This study is the first RCT of cloth masks, and the results caution against the use of cloth masks. This is an important finding to inform occupational health and safety. Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally. However, as a precautionary measure, cloth masks should not be recommended for HCWs, particularly in high-risk situations, and guidelines need to be updated.
originally posted by: doorhandle
Talking face masks - Has anyone theorised the likely timescale for how long we are expected (either enforced or by social shaming), to wear face masks in public now? Months, years? Is there likely ever to be a point when its no longer required?
The Spanish Flu took about 2 years to run its course. I wouldn't expect it to take longer than that for COVID-19. It could still spread after that time but the worst should be over after 2 years. The SARS pandemic only took 8 months to run its course, but COVID-19 will take longer.
originally posted by: doorhandle
Talking face masks - Has anyone theorised the likely timescale for how long we are expected (either enforced or by social shaming), to wear face masks in public now? Months, years? Is there likely ever to be a point when its no longer required?
Yes it was controlled, but the control wasn't "no mask", the control was medical masks. There was something in a conflict of interest statement about 3M and of course 3M makes medical masks, so read the fine print.
originally posted by: puzzled2
As it was a controlled randomized trial that produced the results doesn't that mean it is conclusive cloth masks are bad for you?
Seems cloth masks Don't work and do make things worse.
Owing to a very high level of mask use in the control arm, we were unable to determine whether the differences between the medical and cloth mask arms were due to a protective effect of medical masks or a detrimental effect of cloth masks.