MonzaMayhem
A
Excellent thread on why masking works to lower Covid transmission.

This is an extremely long thread. As far as I can tell, Spoutible only shows 3 spouts at a time in a thread, so you'll need to click on the last spout before "suggested follows" to continue.
Trish Greenhalgh @trishgreenhalgh
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
04:06 AM - Feb 28, 2023
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