WHO says coronavirus variant XBB.1.5 may be driving cases January 11, 2023 at 07:51AM

The World Health Organization said on Wednesday that the XBB.1.5 Omicron sub-v"Based on its genetic characteristics and early growth rate estimates, XBB.1.5 may contribute to increases in case incidence," the WHO said after a January 5 technical meeting.ariant of Covid-19 may be spurring more cases.