Covid-2019 - 2022-06-05

We've gotten used to certain patterns in Covid data -- but now something new has emerged. In the US, fatalities have run a steady 500 per day, plus or minus, for three months straight. Meanwhile, case numbers have risen a bit. That means the case-fatality rate has fallen, of course. But it remains odd that in data series that have always been uniformly cyclical, this one is flat-lining.