A new variant spreading in the UK could be 10% more infectious than Delta

Scientists are closely tracking a new variant spreading in the UK that could be 10% more infectious than Delta The new variant, AY.4.2, is descendant of the Delta variant. Cases are low outside the UK, and we don't if its mutations change its behaviour. Dr. Catherine Schuster-Bruce YahooNews

Scientists worldwide are closely tracking a descendent of the highly infectious Delta variant that is spreading in the UK.

England's public-health authority said in a report on Friday that it was monitoring a subtype of the Delta variant called AY.4.2, which had infected more and more people recently.

Francois Balloux, director at the University College London Genetics Institute, said on Twitter on Saturday that data about AY.4.2 suggested it could be 10% more transmissible than the most common Delta variant in the UK, called AY.4.  ...