The US Centers for Disease Control and Prevention (CDC)'s airport screening program has identified multiple cases of the new COVID-19 variant NB.1.8.1, which has been linked to a large surge of the virus in China and is spreading in several parts of Asia.
International travelers arriving at airports in California, Washington state, Virginia, and New York City have tested positive for the NB.1.8.1 variant, according to data from the CDC's airport testing partner, Ginkgo Bioworks, CBS News reported on Thursday.
Sequencing data recently published on the Global Initiative on Sharing All Influenza Data (GISAID) database reveal that the NB.1.8.1 cases originated from travelers arriving from several countries, including Japan, South Korea, France, Thailand, the Netherlands, Spain, Vietnam, China, and Taiwan.
According to the records, these travelers were tested between April 22 and May 12.
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