Explainer-What are the FLiRT COVID variants and are they more contagious? --Reuters

Explainer-What are the FLiRT COVID variants and are they more contagious? The moniker FLiRT is an acronym for the locations of the mutations the variants share on the virus' spike protein. HOW ARE THE FLIRT VARIANTS DIFFERENT FROM PREVIOUS VARIANTS? The FLiRT variants, which also include KP.2's "parental" lineage JN.1, have three key mutations on their spike protein that could help them evade antibodies, according to Johns Hopkins University. Yahoo News

...

The moniker FLiRT is an acronym for the locations of the mutations the variants share on the virus' spike protein. One of them, called KP.2, has become the most commonly circulating variant in the United States over the past month, according to the U.S. Centers for Disease Control and Prevention.

Here is what you need to know about FLiRT.  ...