New Covid variant NB.1.8.1 spreading in UK is ‘more transmissible’

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New Covid variant NB.1.8.1 spreading in UK is 'more transmissible' The new Covid-19 variant may spread more easily than earlier strains, experts warn A new Covid strain has arrived in the UK (Image: PA ) A new Covid-19 variant has been detected in the UK after it was added to a World Health Organisation (WHO) watch list. Called NB.1.8.1 , the variant was first recorded on January 21 and the WHO announced that the new strain was "under monitoring" on May 23. It is one of six SARS-CoV-2 variants currently being monitored. ‌ By late April 2025, the NB.1.8.1 variant...