COVID cases spike even as US hits 200M vaccine milestone

The number of Americans fully vaccinated against COVID-19 reached 200 million Wednesday amid a dispiriting holiday-season spike in cases and hospitalizations that has hit even New England, one of the most highly inoculated corners of the country.

New cases in the U.S. climbed from an average of nearly 95,000 a day on Nov. 22 to almost 119,000 a day this week, and hospitalizations are up 25% from a month ago. The increases are due almost entirely to the delta variant, though the omicron mutation has been detected in about 20 states and is...