California coronavirus variant spreads rapidly. Should we worry?

A variant of the new coronavirus that first appeared in Southern California last summer has now spread to more than a dozen U.S. states and several other states, according to a new study.

The variant, known as CAL.20C, was first detected in Los Angeles County in July 2020, but it only reappeared in Southern California in October 2020, according to the study, which was published Thursday (February 11). ) in the journal JAMA. Cases of the variant have skyrocketed in the LA area, coinciding with winter’s increase in overall cases of coronavirus.

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