Becker's Healthcare June 10, 2024
The “FLiRT” coronavirus variants account for more than two-thirds of all U.S. cases, according to the CDC’s latest variant proportion estimates.
The FLiRT variants refer to a group of variants — including all that start with the letters “KP” or “JN” — that have independently acquired the same set of mutations in their spike proteins, according to the Johns Hopkins Bloomberg School of Public Health in Baltimore.
In total, these strains account for 65.2% of COVID-19 cases in the week ending June 8, CDC data shows. KP.3 is the nation’s dominant strain, accounting for 25% of cases, while KP.2 makes up 22.5% of cases.
The FLiRT variants are descendants of the JN.1 strain, which emerged last September...
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