Covid-19: New mutation of Delta variant under close watch in UK

Covid-19: New mutation of Delta variant under close watch in UK Officials are keeping a close watch on a new descendant of the Delta variant of Covid that is causing a growing number of infections.

Delta is the UK's dominant variant, but latest official data suggests 6% of Covid cases that have been genetically sequenced are of a new type.

AY.4.2, which some are calling "Delta Plus", contains mutations that might give the virus survival advantages. BBC News

See also:

• Covid: No 10 'keeping a close eye' on rising Covid cases BBC News
• UK's daily Covid deaths hit SEVEN-MONTH high of 223 while cases jump 13% in a week to 43,738 The Daily Mail
• More infectious strain of Delta makes up 10% of cases in UK - but 7 cases detected in US so far The Daily Mail
• Nearly 5MILLION vulnerable over-50s have yet to have their Covid booster vaccine The Daily Mail
• Prof Lockdown' Neil Ferguson calls for return of face masks The Daily Mail
• Pfizer's Covid vaccine negotiations with developing countries called 'bullying' in new report The Daily Mail
• Without Covid-19 jab, ‘reinfection may occur every 16 months’ The Guardian
• Why is England driving the rise in UK Covid cases? The Guardian
• Vaccine centres in England to take children’s bookings within weeks, says No 10 The Guardian
• Oxford scientists working on new Covid vaccine to target Delta variant The Independent