Multiple variants of the virus that causes COVID-19 have been identified globally during the COVID-19 pandemic. California’s new COVID-19 strain reduces immune response The dominant strain in Bay Area counties, now a ‘variant of concern,’ is more transmissible and resistant to drugs used to … How are variants identified? Most variants do not have a meaningful impact. Two COVID-19 vaccines are likely to be protective against a rapidly spreading variant of the SARS-Cov-2 virus that arose in California, a study finds. “We can always update the vaccine,” he said. Fast-growing COVID-19 variants are contributing to an alarming rise in new cases around the nation, yet California remains resistant — for now. A novel variant of SARS-CoV-2, CAL.20C, was identified, which emerged in Southern California contemporaneously with the local surge in cases. Unlike clade 20G, currently the largest reported clade in North America, this strain is defined by 3 mutations in the S protein characterizing it as a subclade of 20C. A new variant of the coronavirus has been found in California's Bay Area. Public health becomes concerned about a SARS-CoV-2 variant when it affects COVID-19 transmission, severity, testing, treatment, or vaccine effectiveness. Researchers are sounding the alarm about a COVID-19 variant found in California, warning that emerging evidence shows it could possibly be deadlier, more transmissible and more resistant to vaccines. California's coronavirus strain is more transmissible than its predecessors, is more resistant to vaccines and may cause more severe cases of COVID-19. About 131.2 million people in the United States have received at least one dose of a Covid-19 vaccine, ... and a variant that emerged in California, ... more resistant to some current Covid … The Stanford Clinical Virology Lab, through genomic sequencing, has identified and confirmed one case of … And if at some point a variant does prove vaccine-resistant, Lim added, scientists should be able to easily alter the vaccines to meet that challenge. The strain, known as B.1.427/B.1.429 or CAL.20C, was discovered by two separate research teams earlier this year.
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