A further 563 patients with coronavirus have died in the UK, taking the total number of deaths in hospitals to 2,352.
The Department of Health said 29,474 people have tested positive for the virus, up 4,324 since Tuesday.
It comes as No 10 confirmed more than 2,000 NHS frontline staff in England have been tested for coronavirus since the outbreak began.
Hundreds have been screened since the weekend in a push to get healthy self-isolating medics back to work.
Cabinet minister Michael Gove said a shortage of chemicals needed for the tests meant the NHS – which employs 1.2m in England – could not screen its staff for the virus.
No 10 said test capacity will increase with an additional network of labs and testing sites.
The PM’s official spokesman said the government was “working with NHS England, Public Health England and others to ensure that happens”.
The latest increase in the number of people who have died relates to the 24 hours up to 17:00 BST on Tuesday.
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