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U.S. reports cases of new COVID variant NB.1.8.1 behind surge in China

By CBS News  
   May 23, 2025

The CDC's airport screening program has detected 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. Cases linked to the NB.1.8.1 variant have been reported in arriving international travelers at airports in California, Washington state, Virginia and the New York City area, according to records uploaded by the CDC's airport testing partner Ginkgo Bioworks.

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