Around 1.1 million people in the UK have reported suffering long COVID, new government figures show.
Of those affected, 674,000 people said the condition was "adversely affecting" their day-to-day lives, with 196,000 of these saying their activity had been limited a lot.
The figures, which are for the four-week period up to 6 March, relate to self-reported long COVID, as experienced by study participants, rather than by a clinical diagnosis.
There is no universally agreed definition of long COVID, but it covers a broad range of symptoms such as fatigue, muscle pain, and difficulty concentrating.
A report out last week revealed that seven in 10 people taken to hospital with COVID-19 had not fully recovered after five months.