WHO reluctant to label new Omicron strains as variants of concern
Despite the fact that they’re driving a spurt in COVID cases, the World Health Organization (WHO) says XBB and BQ.1 are not different enough from each other, or from other Omicron lineages, to warrant labelling them new variants of concern. Variants of concern are those that show increased transmissibility, virulence or change in clinical disease, […]
WHO reluctant to label new Omicron strains as variants of concern Read More »