1. So much of the mistrust swirling around mask recommendations from WHO and other authorities seems to have arisen out of confusion between receiver protection (your mask protects you from others) and source control (your mask protects others from you).
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Carl T. Bergstrom Retweeted Leora Horwitz
2. A properly fitted N95 provides effective receiver protection, but fitting is very difficult and not easily achieved by members of the public without training and equipment. This thread provides further detail:https://twitter.com/leorahorwitzmd/status/1235018922023440385 …
Carl T. Bergstrom added,
Leora HorwitzVerified account @leorahorwitzmdNon medical friends, let’s have a chat about masks. So, you’ve bought yourself a box of N95 masks and you think you’re good for#COVID19. Let me tell you what my hospital makes me do EVERY YEAR to make sure my N95 mask fits (yes, they come in sizes). Watch out: long thread ahead!Show this thread46 replies 109 retweets 405 likesShow this thread -
Replying to @CT_Bergstrom
I think thatLeora Horwitz' thread has done a lot of damage, despite its good intentions. A lot of people took from it that N95 masks are useless without fitting, which is false. A narrative about how to get the best results in a medical setting is not a scientific study.
1 reply 1 retweet 29 likes -
Replying to @Plinz @CT_Bergstrom
The thread was condescending, arrogant, lacking common sense and misinterpreted inefficiencies in medicine as some kind of professionalism or expertise.
2 replies 2 retweets 32 likes -
Replying to @CreamyCentrist @CT_Bergstrom
It was well intentioned, and the criteria for healthcare workers are more strict; if one of them gets sick the harm is much larger than for the average person. It's easy for people to get carried away and try to give general health advice, especially when they work in medicine.
1 reply 0 retweets 1 like -
Replying to @Plinz @CT_Bergstrom
Besides describing the resources wasted on a piece of equipment that clearly should have been updated ages ago, the thread is fundamentally misinformed. One YouTube video absolutely fixes the loathsome "I guarantee you don't know how to use it". This is how information works now.
1 reply 0 retweets 4 likes -
Replying to @CreamyCentrist
The problem is not that it's hard to figure out the external and internal incentives of other people, but it can be hard for us to imagine what it's like to act on different incentives, too. Most of us are partially run by memes that try to propagate into the minds of others.
1 reply 0 retweets 2 likes -
Replying to @Plinz
I mean this in the most innoxious way possible, but your response here leads me to believe that you didn't fully grasp the subtext of the thread or how it would be perceived by its intended audience. The baggage is heavy yet the thread obliviously played into that dynamic.
1 reply 0 retweets 0 likes
I am wary of my own righteousness, and I have reason to be, because I found her righteousness offensive, instead of just interesting.
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