Two days after the Los Angeles Public Health Department announced that the much-talked-about UK variant of Covid-19, known as B.1.1.7, had been identified in the region, the California Department of Public Health revealed that another lesser-known strain had been circulating in the county as well. Known as L452R, the newly announced arrival was first identified in Denmark in March. It showed up in California as early as May. Dr. Charles Chiu, a virologist and professor of laboratory medicine at UCSF who, in concert with state authorities, has been genetically sequencing test samples to identify new variants said early indications are the L452R might be less susceptible to the currently approved vaccines, but more investigation is needed. Related Story A Nationwide Mask Mandate Could Add $1 Trillion To The US GDP, According To UCLA Analysis “This variant carries three mutations, including L452R, in the spike protein, which the virus uses to attach to and enter cells, and is the target of the two vaccines that are currently available in the United States,” said Dr. Chiu. A spike protein mutation could, then, interfere with the vaccine’s efficacy. According to the California Department of Public Health, Santa Clara County has sequenced a large… Read full this story
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