There's Good Reason To Think the Omicron Wave Will Peak Soon

Recent COVID-19 trends suggest that the U.S. omicron wave may have peaked in several of the jurisdictions where it was first evident. That would be consistent with what happened in countries such as South Africa and the United Kingdom, which saw huge case surges that lasted less than a month, followed by steep declines. That is shorter than the cycle seen in earlier waves, possibly because omicron is so highly contagious that it quickly infects the people who are most vulnerable to it.

In New York City, where the seven-day average...