Scientists on alert as new Covid strain tears through ‘multiple countries’

A new Covid variant is ripping through “multiple countries”, with experts fearing it could be even more transmissible than the BA. 5 Omicron strain. Named BF. 7 – short for BA. 5.2.1.7 – the new variant is spreading faster than most other variants of interest that scientists are currently tracking in the US. While it …

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