Omicron Subvariant XBB.1.5 Becoming Dominant In US, Data Show

CNBC (12/30, Kimball) reported, “The Covid omicron XBB.1.5 variant is rapidly becoming dominant in the U.S. because it is highly immune evasive and appears more effective at binding to cells than related subvariants, scientists say.” The subvariant “now r...