fNOTE from the UK Government):

"On 17 July, the Secretary of State asked Public Health England (PHE) to urgently review the way daily death statistics are currently reported.

A review into the method used to calculate these figures considered a range of scientific evidence to identify the best time limit to apply between date of test and date of death.

The new daily measure provides a UK-wide count of deaths under a consistent methodology for England, Northern Ireland, Scotland and Wales that has been endorsed by an external review.

The measure will be based on a 28-day limit between the date of a positive lab-confirmed test and date of death. Deaths that occur more than 28 days after a positive test will not be included in the headline count." [source]