One of the best correlations with local-area COVID spread is.... HOUSEHOLD SIZE.

Which is really bad considering the strategy has been to quarantine households together at home.

Turns out, that strategy may have been a mistake. https://gothamist.com/news/data-shows-strong-link-between-rate-infection-and-how-many-people-live-you?mc_cid=ed6323bf33&mc_eid=fd030c16b5&utm_medium=social&utm_source=twitter&utm_campaign=shared_twitter

Given that close contacts are the main infection risk, having a lot of close contacts means higher risk. That is almost certainly ratched up to an even higher level when within-household contacts are heightened due to lockdowns.

Does Hong Kong just not count as a dense city? https://twitter.com/NDRedEagle/status/1250603913356513280