After its January debut, XFG climbed to number three on the CDC COVID variant list by late June, accounting for an estimated ...

A new COVID-19 variant, "Stratus" (XFG), is now the third most prevalent strain in the U.S. Originating in Southeast Asia, Stratus appeared in the U.S. around May/June and accounted for 14% of new ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab studies using human cells and a "pseudovirus" stand-in for XFG, as well as ...

Enter the XFG variant, which is part of the oh-so-familiar Omicron family. XFG is actually a combination of the LF.7 and LP.8.1.2 variants, which were combinations of previous variants themselves.

COVID-19 is surging again, indicated by rising wastewater levels and infections across many states. A new variant, Stratus ...