The COVID-19 variant KP.3.1.1 rose 12.7% and now makes up over 50% of COVID cases, the CDC Nowcast data tracker shows.
After a surge in COVID-19 cases this summer, infection rates do seem to be on the decline. Positive tests now account for ...
COVID levels in the U.S. remain high, according to wastewater detections, which is a retreat from the CDC’s label of “very ...
The latest, highly contagious subvariants are driving infections, but new vaccines may help stem the tide of another wave — ...
The XEC COVID variant has spread rapidly in some European countries, and it's now been reported in some U.S. states. But ...
The new Covid variants are here, and as cold and flu season coincides with a busy travel season, here's what both Covid ...
Where did XEC come from? It is a recombinant of KP.3.3 and KS.1.1, the “Today” show reported. That means it has the genetic ...
Even as COVID-19 activity remains high in the United States, a new variant - XEC is spreading rapidly in Europe and other ...
A new COVID variant, XEC, has arrived just before fall. The new variant has sprouted from the Omicron variant that developed in late 2021. Though XEC is new, Prof Francois Balloux, director of the ...