DELTA variant cases in the UK have risen by 35,204 this week.
This means there have now been a total of 111,157 recorded infections of the mutation in Britain.
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Public Health England said this is a 46 per cent increase on the week before, with around 95 per cent of all UK Covid cases as the Delta variant.
An extra 514 people were admitted to hospital in England with Covid up to June 21 – 304 were unvaccincated.
Dr Jenny Harries, Chief Executive of the UK Health Security Agency said: “Through the success of our vaccination programme, data suggest we have begun to break the link between cases and hospitalisations.
“This is hugely encouraging news, but we cannot become complacent.
“Two doses of vaccine are far more effective against Covid-19 than a single dose, so please make sure that you come forward to get your second dose as soon as you are invited.
“Whilst vaccines provide excellent protection, they do not provide total protection, so it is still as important as ever that we continue to exercise caution.
“Protect yourself and the people around you by working from home where possible, and by practising ‘hands, face, space, fresh air’ at all times.”
It came as:
Another new variant has been designated a Variant Under Investigation.
Lambda (C.37) has been designated as a variant to watch in the UK since June 23 due to several notable mutations including L452Q and F490S.
The World Health Organisation classified Lambda as a Variant of Interest on 14 June.
Six cases of Lambda have been identified across the country to date, all have been linked to overseas travel.
The earliest documented sample was reported in Peru and Lambda has been sequenced in 26 countries to date.
There is currently no evidence that this variant causes more severe disease or renders the vaccines currently deployed any less effective.
PHE is carrying out laboratory testing to better understand the impact of mutations on the behaviour of the virus.