Omicron subvariants EG.5 and XBB.2.3 are making inroads in the U.S.

The so-called “arcturus” coronavirus strain is the most prominent variant circulating in the U.S., but several other omicron subvariants are increasing across the country.

XBB.1.16, or arcturus, was responsible for more than 17% of new COVID-19 infections over the past two weeks, according to estimates from the Centers for Disease Control and Prevention. It’s a slight increase from the previous two-week period, which CDC revised down to 16%.

...