> A measure which actually has some relevance on country scale is population weighted density. I thought your comment was going to be about the fact that urban

> A measure which actually has some relevance on country scale is population weighted density. I thought your comment was going to be about the fact that urban density didn't end up being that useful a predictor of spread, except to the extent that it correlates with household size. In general, people were catching Covid from being inside with others, not from incidental contact with subway poles or passing people on the sidewalk.