WHO Concerned About New COVID-19 Subvariant XBB.1.16, But Has Not Seen Changes In Severity

CNN (4/6, McPhillips) reports, “The World Health Organization is monitoring the Omicron subvariant XBB.1.16, which has been identified in about two dozen countries.” This “subvariant has not been found in the United States, but it is similar to the XBB.1....