Not all Covid waves look the same. Here’s a snapshot of the Delta surge

 The Delta-caused wave that now seems to be sloping downward has different demographics than previous waves, and provides a snapshot of the current state of the pandemic in the United States. While racial and ethnic disparities in Covid cases and deaths persist, some appear to have narrowed to a certain extent. Meanwhile, other divides in who’s getting seriously ill — rooted in geography, in vaccination status — seem to have grown, and epidemiologists don’t think those two trends are unrelated.