Time to tighten down on masking again:

"The Fast-Spreading New COVID-19 Subvariant XBB Is Part of a ‘New Class’ of Omicron"

XBB [aka Gryphon] is getting a lot of buzz because it spreads fast—and seems to be able to evade immunity that people have built up from having a previous COVID-19 infection or getting the vaccine, says William Schaffner, M.D....

https://www.msn.com/en-us/health/medical/the-fast-spreading-new-covid-19-subvariant-xbb-is-part-of-a-new-class-of-omicron/