Though Saturday may mark the strain’s first identified appearance in Los Angeles County, health officials said in recent weeks that it was very likely already circulating in L.A. B.1.1.7 had previously made its way through San Diego and San Bernardino Counties. Before that, the strain had been found in Colorado, where it made its U.S. landfall. … [Read more...] about Another New Covid-19 Variant Discovered In L.A. Might Be Vaccine Resistant, Researcher Says; Strain First Identified In Denmark