Also to the "nothing makes a difference" crowd: in March, health authorities were telling us masks were useless, and science journalist were publishing articles claiming masks were *harmful.* We had the evidence we needed by then, but not the public conversation. Then it changed.
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One of the most striking aspects of groupthink is how a sudden lurch in group consensus can induce group amnesia. I knew of this from history but living through it in a pandemic has been personally mind-blowing. People have already forgotten the Feb/March information environment.
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Of course, it's fine and good to change one's mind whether because of evolving evidence or simply because one concedes being wrong. It's an excellent habit: best of science happens that way. However, it's important to learn from what happened, not immediately erase the memory.
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What makes the scientific enterprise valuable isn't because it has some special species of humans—immune to error or all the social, political, psychological and financial distortions—but that we try to set up the rules and rituals and rewards to work against that. That's it.
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One reason for the "nothing makes a difference" crowd is cynicism is increasingly seen as if it's politics—instead of what it really is: resignation served in a fancy sauce. Another is this rapid amnesia. Yeah, nothing appears to change if we forget what happened this quickly.
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I am currently reading this in the waiting room at the Duke ambulatory surgery Center and everyone here has a mask provided by Duke.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Nobody thinks masks available to HCW don't work. Nobody in HC wears masks from Etsy.,
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At my son's hospital some staff did for March, April and into May. Not enough PPE so my son bought a woodworking shield, and non-medical masks to keep himself safe. One of his tasks was filling baggies with masks for nurse. One mask for each 4 hours of the shift.
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@zeynep could you explain what was happening with the red line before the implementation of universal masking? It looks like it was flat, increased suddenly, then flattened again. Why was it flat at the beginning? Thanks! -
That line is incidence of COVID in healthcare workers tied to work (contact with infected patient) As the level of infection in the community was low, there were fewer patients from which it could be caught. As patients increased, so did risk, and number of cases among HCW rose
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