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NewsTwo independent research groups discovered the strain in California while seeking the more contagious, possible more deadly, British variant in the state. Although the researchers found the UK strain ― B.1.1.7 ― in scattered cases in Los Angeles, San Diego and San Bernardino counties, they weren’t expecting to discover a homegrown variant.
The California variant ― CAL.20C – was barely detectable in early October, researchers from Cedars-Sinai Medical Center in Los Angeles said. But by late December, it accounted for 24% of virus samples taken from southern California patients and about 36% of tested Los Angeles samples.
The strain, scientists warned in their research report, “may be partially responsible for the magnitude of the surge in COVID-19 on the West Coast.”
By Mary Papenfuss | 25 Jan 2021