FLiRT COVID-19 Variants Are Spreading: Information about KP.2 and KP.1.1 Strains

Doctors Warn About 2 New COVID Variants—What to Know About ‘FLiRT’ Strains Experts warn these strains may lead to a summer surge—here’s how to stay safe. Prevention

One FLiRT variant, KP.2 is now the dominant variant in the U.S., and it’s been quickly increasing in cases over the past few weeks. KP.2 now makes up nearly 25% of COVID-19 cases in the U.S., according to data from the Centers for Disease Control and Prevention (CDC).

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But KP.2’s sister variant KP.1.1 is also rising in the ranks and currently makes up 7.5% of COVID-19 cases in the country. So, what are the FLiRT variants and how concerned should you be? Infectious disease doctors break down the latest COVID-19 strains. ...