Lols, don’t try that on a forum:
“The lack of direct causal identifiability requires a more integrative systems view of efficacy. We need to consider first principles—transmission properties of the disease, controlled biophysical characterizations—alongside observational data, partially informative RCTs (primarily with respect to PPE), natural experiments (
26), and policy implementation considerations—a discursive synthesis of interdisciplinary lines of evidence which are disparate by necessity (
9,
27).”
And they still can’t get it to work in hong Kong :
“A study of COVID-19 incidence in Hong Kong noted that face mask compliance was very high, at 95.7 to 97.2% across regions studied, and that COVID-19 clusters in recreational ‘mask-off’ settings were significantly more common than in workplace “mask-on” settings (
35).”
So with no real world evidence we get to modelling, the last refuge of the lack of evidence.
What a joke.