India, May 6 -- The United States is witnessing an uptick in new COVID-19 variant cases, triggering concern over a potential summer wave.

The family of variants, nicknamed FLiRT, after their mutations, include KP.2, which is now the dominant variant in the United States. In recent weeks, KP.2 quickly overtook JN.1, the omicron subvariant that drove a surge in COVID cases this past winter, reported Today.

Quoting U.S. Centers for Disease Control and Prevention released data, the news channel reported that KP.2 accounts for one in four infections nationwide.

After KP2, the next most common COVID-19 variant currently making its presence felt is JN.1.

It accounts for 22 percent of the cases.

Another FLiRT variant, called KP.1.1, is also ...