The number of people who have contracted coronavirus in the UK has now reached 456.
The rise in confirmed cases from 373 is the largest day-on-day increase since the outbreak began.
It is a jump of 83, which is 22% up on the equivalent figure for Tuesday.
In an update on the outbreak on Wednesday, the department for health revealed that almost 27,500 people have been tested for Covid-19.
The death toll in the UK stands at six after a man in his 80s – who had underlying health conditions – died at Watford General Hospital on Monday after contracting the disease.
During the Budget on Wednesday afternoon, chancellor Rishi Sunak told MPs that coronavirus was the “key challenge” facing the country, unveiling a series of measures to tackle the outbreak.
Among the announcements was the news that statutory sick pay will be made available for all those who are advised to self-isolate even if they haven’t yet presented with symptoms.