Early signs of rising COVID in California as new FLiRT subvariants dominate
LOS ANGELES — California may be headed to an earlier-than-normal start to the summer COVID-19 season, with coronavirus concentrations in sewage rising in some areas along with the statewide positive-test rate.
The trend comes as the latest family of coronavirus subvariants, collectively nicknamed FLiRT, have made significant gains nationally.
The FLiRT subvariants — officially known as KP.2, KP.3 and KP.1.1 — have overtaken the dominant winter strain, JN.1. For the two-week period that began May 12, they were estimated to account for a combined 50.4% of the nation's coronavirus infections, up from 20% a month earlier.
Instead of California seeing reduced circulation of COVID-19, as occurred earlier this spring, state health officials said that they estimate the spread is now either stable or slowly increasing.
"COVID-19 concentrations in wastewater have suggested increases in several regions across California since early May. Test positivity for COVID-19 has been slowly increasing since May," the state Department of Public Health said in a statement to The Times on Friday.
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