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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.
The CDC estimates that KP.3 currently accounts for 36.9% of cases, while KP.2 makes up 24.4% of current COVID infections. “The FLiRT variant appeared in March,” says Tammy Lundstrom, ...
That made it the new dominant variant in the country, overtaking the JN.1 variant, which spread globally over the winter, and made up 22% of COVID-19 cases in the U.S. in the same two-week timeframe.
The most successful FLiRT variant so far is known as KP.2 and is starting to be seen more frequently as a cause of COVID-19. These mutations have been seen before, in different variants, they are ...
The new "FLiRT" COVID-19 variants, including KP.3 and KP.2, are spreading in the United States. ... During a two-week period ending on June 8, KP.3 made up an estimated 25% of cases in the U.S ...
In a typical infectious disease, the incubation period signifies the period taken by the multiplying organism to reach a threshold necessary to produce symptoms in the host. While latent or latency period may be synonymous, a distinction is sometimes made whereby the latent period is defined as the time from infection to infectiousness.
New COVID-19 variants known as “FLiRT,” KP.2, KP.3, and KP.1.1, are spreading fast. Doctors explain symptoms, prevention, and how the vaccines stack up.
The U.S. currently has a COVID-19 summer surge, thanks to FLiRT variants like KP.3.1.1. Here are top symptoms to look for, plus if you should get a new vaccine.