Emergence of a Novel SARS-CoV-2 Variant in Southern California

A spike in COVID-19 has occurred in Southern California since October 2020. Analysis of SARS-CoV-2 in Southern California prior to October indicated most isolates originated from clade 20C that likely emerged from New York via Europe early in the pandemic.1 Since then, novel variants of SARS-CoV-2 including those seen in the […]