According to the Centers for Disease Control and Prevention's every-other-week variant estimates, KP.2 and another strain with the same FLiRT mutations, called KP.1.1, together make up a projected 35.3% of infections this week. This is up from 7.1% a month ago.
"That means that while KP.2 is proportionally the most predominant variant, it is not causing an increase in infections as transmission of SARS-CoV-2 is low," a CDC spokesperson told CBS News in a statement.
The strain also does not have large amounts of worrying changes, unlike some previously highly-mutated variants that have raised alarm in years past.
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