WHO: XBB.1.5 Threatens to Increase COVID-19 Infections Globally, but data based only on U.S.

WHO weighs in on Omicron XBB.1.5 subvariant; US extends COVID health emergency CIDRAP

The World Health Organization (WHO) advisory group on virus evolution said the Omicron XBB.1.5 subvariant is poised to drive an increase in COVID-19 cases, but it cautioned that confidence in its assessment is low, because most of the information is based on data from just one country—the United States.

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