Trish Greenhalgh
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1. Thread on masks (also posted on Twitter). Addresses:
- Why so much controversy?
- Airborne transmission
- RCTs of masks – strengths/limitations, community, healthcare settings
- Meta-analyses – gold standard or lazy lumping?
- Non-RCT evidence – why is it needed, what does it show?
- AOB
09:16 AM - Feb 26, 2023
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DrShePersisted
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In response to Trish Greenhalgh.
Excellent thread. I wish we could change the negative perceptions. I also wish we could educate the MEDICAL community that their beloved surgical masks are protecting neither them nor their patients, especially with these new variants.
04:04 PM - Feb 28, 2023
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Trish Greenhalgh
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In response to Trish Greenhalgh.
2. Before I start, here’s my OLD mask thread from Twitter July 21, which ran to >100 tweets. Some of that is now rather dated but a lot still holds. I’ll paste the best from that into this new thread. Will take a while (~100 total)
https://twitter.com/trishg...
09:17 AM - Feb 26, 2023
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Trish Greenhalgh
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In response to Trish Greenhalgh.
3. WHY IS MASKING SO CONTROVERSIAL?
First, ‘masks’ and ‘masking’ are very broad terms. They cover different technologies (cloth, medical, respirator), wearers (public, patient, healthcare worker), settings (low v high risk) and requirements (mandated v free choice).
09:18 AM - Feb 26, 2023
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