Are we constantly chasing after these population-level effects of these non-pharmaceutical interventions that are hard to isolate when there are many good reasons to believe in their efficacy in the first instance?

A couple days ago we discussed issues of communicating uncertainty in a coronavirus mask experiment. That study itself is not so important, but I remain interested in the larger issues of inference and communication. I sent the discussion to epidemiologist Jon Zelner, who wrote: The struggle is real! I think this is a nice example …