Omicron XBB.1.5 is rising in U.S. though revised CDC data shows slower increase than previously reported

This entry was posted by admin on January 7, 2023 at 8:04 pm

XBB.1.5 made up 27.6% of sequenced Covid cases nationally for the week ending Jan. 7 compared to 18.3% for the week end Dec. 31.