COVID XBB.1.16 Strain ‘One to Watch,’ Says WHO

April 5, 2023

(MedPage Today) – The World Health Organization (WHO) is monitoring XBB.1.16, an Omicron subvariant that has been detected in over 20 countries and contributing to a recent surge of COVID cases in India. Known as “Arcturus,” XBB.1.16 has been listed as a WHO variant under monitoringopens in a new tab or window since March 22, with 800 sequences of the Omicron subvariant currently analyzed across 22 countries. (Read More)