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Professor Francois Balloux
22 October 2021
Professor Francois Balloux (UCL Genetics Institute) says that the Covid AY.4.2 variant might be 10 to 15 percent more transmissible than the original Delta variant, which has come to dominate COVID cases around the world.
Scientist say AY.4.2 seems to be 10%-15% more transmissible but cannot be blamed for high UK Covid-19 case number
New Delta descendant may be more infectious than its ancestor | Financial Times (ft.com)