I’ve been concerned about this for a while. It shows how fragile our infrastructure is. And it’s why proposals like Zeke Emanuel’s to continue it for over a year is societal suicide.
[Update]
Related: The coronavirus is revealing our technology blunders.
Has it been here (at least in the Bay Area) a lot longer than we thought? I think it’s quite plausible that it was here in December, which in a sense is good news, because it probably means we already have a lot more herd immunity than we thought, and the fatality rate is much lower than earlier fears.