Happy to discuss the evolving nature of science, poor communication from government & medical orgs, & the lack of consensus surrounding mask usage. But I’m not sure what you’re getting at by pointing to a thread (based on CDC guidelines) about the need for clear communication.
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Replying to @RVAwonk @ggreenwald
That's why I didn't single you out but you realize every single thing you claimed in that viral thread (and I tried to tell you otherwise) was wrong? The alleged increased risk, false sense of security, lack of benefit? Every single claim you made except shortage was 100% wrong.
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Replying to @zeynep @ggreenwald
Just to be clear: Those claims claim from the CDC. And yes, most turned out to be wrong. Also, at the time, there was little (if any) distinction between protecting self vs others. But do we have research from US showing that mask usage doesn’t confer a false sense of security?
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Replying to @RVAwonk @ggreenwald
Yes, they came from the CDC and they were all wrong. That's my point, and I kept trying to talk with people like you to point to the evidence that they were wrong. And for lack of false sense of security? Yes, we have decades of evidence from many other safety devices.
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As I very publicly argued back then, false sense of security is trotted out against every safety device/intervention (seat belts, helmets, safe sex) and has been researched to death. You can find individual examples, but it never overwhelms the safety benefit. But that's not all.
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Also, if it were true, it would just as much apply to hand-washing or even distancing. (But good news, it's not true). Plus, there is all the experience of Asia. Plus, social science suggested that masks would *increase* overall caution. But even that's not all.
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We have since had actual research from this pandemic that shows, unsurprisingly, that the actual result is, as expected, masks increase distancing behaviors (how could they not?). False sense of security for safety devices, to put it politely, is pop psychology.
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There was also no of evidence or even a logical claim for "harms" of mask wearing compared to no masks. Most relevant studies were about health care workers and they compared some masks to other masks. Not ever to no masks. Plus not for egress (PPE is ingress).
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Replying to @zeynep @ggreenwald
My understanding of the basis for those claims is that the CDC was concerned that people would end up touching their face and adjusting their masks, thereby introducing germs into a space where it would be easier to enter nasal/respiratory tracts.
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One of the scariest feelings I've had was watching them fumigate the streets in China, while being told wash your hands and sing Happy Birthday and you'll be okay. "The masks don't work against this respiratory illness"
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Hand-washing is a great intervention against many things and the fumigations were likely performative, too. Honestly, it was end of February when I started thinking wait what? My usual beat isn't to question the CDC or the WHO. Started reading the actual studies & was horrified.
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No mine either- Really feel confused by what and why the message didn't change despite the evidence of how it was transmitting- agree that the fumigation was a little preformative, didn't know it at the time though.
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