Boris Johnson has urged people to cut back on Christmas partying and “think carefully” before going out during the festive season, as omicron cases hit record levels
Speaking at a press conference on Wednesday afternoon the prime minister urged people to get booster jabs but suggested they might want to avoid unnecessary social gatherings.
But he declined to impose any new formal restrictions, despite a record number of new cases and warnings of a spike in hospitalisations to come.
“What we are saying is think carefully before you go, what kind of an event is it, are you likely to meet people who are vulnerable, are you going to meet loads of people you haven't met before, and get a test, make sure there's ventilation, wear a mask on transport,” Mr Johnson said.
“We're in a different environment thanks to the boosters from where we were last year but we've got to be cautious and think about it while we wait for the benefits of the boosters to really kick in.”
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Speaking alongside the prime minister, Chris Whitty, the government’s chief medical officer, warned that “lots of people” were going to get sick.
He said people would have to make their own decisions about what to do over the festive season, but that he would be scaling back his Christmas plans.
“Realistically, I think there's a high chance that my original Christmas plans with my family are going to be interrupted,” Professor Whitty said, adding that people should prioritise only attending gatherings that mattered to them.
Responding to the same question, Mr Johnson added: “I think the way things are looking I expect a lot of us are going to be working during the period. My own plans, as you can imagine, are pretty modest at this stage.”
Professor Whitty had said earlier in the press conference that records would be broken in terms of infections.
It was “reasonably nailed on” to suggest that many people would be hospitalised after Christmas after contracting the virus, he said – adding that any suggestion the new omicron variant was milder should be treated with extreme caution.
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UK news in pictures 15 December 2021 Lewis Hamilton is made a Knight Bachelor by the Prince of Wales at Windsor Castle
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UK news in pictures 14 December 2021 The Royal Liver Buildings surrounded by early morning fog in Liverpool
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UK news in pictures 13 December 2021 People queue outside a walk-in Covid-19 vaccination centre at St Thomas's Hospital in Westminster
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UK news in pictures 12 December 2021 People take part in the Big Leeds Santa Dash in Roundhay Park, Leeds
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UK news in pictures 11 December 2021 People arrive at a Covid-19 vaccination centre at Elland Road in Leeds,
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UK news in pictures 10 December 2021 Stella Moris speaks to the media after the US Government won its High Court bid to overturn a judge’s decision not to extradite WikiLeaks founder Julian Assange
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UK news in pictures 9 December 2021 Camels are lead around Salisbury Cathedral during a rehearsal for the Christmas Eve Service
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UK news in pictures 8 December 2021 Margaret Keenan and Nurse May Parsons, a year after Margaret was the first person in the UK to receive the Pfizer vaccine
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UK news in pictures 7 December 2021 Snowfall in Leadhills, South Lanarkshire as Storm Barra hits the UK with disruptive winds, heavy rain and snow
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UK news in pictures 6 December 2021 A person tries to avoid sea spray on New Brighton promenade in Wallasey as the UK readies for the arrival of Storm Barra
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UK news in pictures 5 December 2021 People release balloons during a tribute to six-year-old Arthur Labinjo-Hughes outside Emma Tustin's former address in Solihull, West Midlands, where he was murdered by his stepmother
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UK news in pictures 4 December 2021 People walk through a Christmas market in Trafalgar Square
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UK news in pictures 3 December 2021 A pedestrian carries a dog as they dodge shoppers on Oxford Street in central London
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UK news in pictures 2 December 2021 Duchess of Cambridge inspects a Faberge egg at the Victoria and Albert Museum
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UK news in pictures 1 December 2021 Meerkats at London Zoo with an advent calendar
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UK news in pictures 30 November 2021 Workers put the finishing touches to the Trafalgar Square Christmas Tree ahead of the lighting ceremony later in the week
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UK news in pictures 29 November 2021 Home Secretary Priti Patel is greeted by a police dog at a special memorial service for Met Police Sergeant Matiu Ratana
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UK news in pictures 28 November 2021 Riyad Mahrez of Manchester City battles for possession with Aaron Cresswell of West Ham United during a match at the Etihad during snow
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UK news in pictures 27 November 2021 Residents clear branches from a fallen tree in Birkenhead, north west England as “Storm Arwen” triggered a rare “red weather” warning
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UK news in pictures 3 December 2021 An aerial picture shows a worker using a quad bike and trailer to transport freshly harvested trees at Pimms Christmas Tree farm in Matfield, southeast England
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UK news in pictures 26 November 2021 A shopper browses Christmas trees for sale at Pines and Needles in Dulwich, London
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UK news in pictures 25 November 2021 A murmuration of hundreds of thousands of starlings fly over a field at dusk in Cumbria, close to the Scottish border
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UK news in pictures 3 December 2021 A pedestrian carries a dog as they dodge shoppers on Oxford Street in central London
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UK news in pictures 24 November 2021 Migrants are helped ashore from a RNLI (Royal National Lifeboat Institution) lifeboat at a beach in Dungeness, on the south-east coast of England, on November 24, 2021, after being rescued while crossing the English Channel.
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UK news in pictures 23 November 2021 The coffin of Sir David Amess is carried past politicians, including former Prime Ministers Sir John Major, David Cameron and Theresa May, Speaker of the House of Commons Sir Lindsay Hoyle, Home Secretary Priti Patel and Prime Minister Boris Johnson during the requiem mass for the MP at Westminster Cathedral, central London
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UK news in pictures 22 November 2021 The scene in Dragon Rise, Norton Fitzwarren, Somerset where police have launched a murder probe after two people were found dead
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UK news in pictures 21 November 2021 London-based midwife Sarah Muggleton, 27, takes part in a 'March with Midwives' in central London to highlight the crisis in maternity services
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UK news in pictures 20 November 2021 Police officers monitor as climate change activists sit down and block traffic during a protest action in solidarity with activists from the Insulate Britain group who received prison terms for blocking roads, on Lambeth Bridge in central London
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UK news in pictures 19 November 2021 A giant installation of Prime Minister Boris Johnson made from recycled clothing goes on display at Manchester Central, as part of Manchester Art Fair, in a 'wake-up call for the Prime Minister to tackle textile waste'
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UK news in pictures 18 November 2021 The scene at a recycling centre in Stert, near Devizes in Wiltshire after a large blaze was brought under control. The fire broke out on Wednesday night the fire service has said and local residents were advised to keep windows and doors shut due to large amounts of smoke
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UK news in pictures 17 November 2021 The sun rises over South Shields Lighthouse, on the North East coast of England
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UK news in pictures 16 November 2021 ancer Maithili Vijayakumar at the launch of 2021 Diwali celebrations at St Andrew Square in Edinburgh
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UK news in pictures 15 November 2021 Forensic officers work outside Liverpool Women's Hospital, following a car blast, in Liverpool
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UK news in pictures 14 November 2021 Wreaths by the Cenotaph after the Remembrance Sunday service in Whitehall, London
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UK news in pictures 13 November 2021 Richard Ratcliffe, the husband of detainee Nazanin Zaghari-Ratcliffe, is ending his hunger strike in central London after almost three weeks. Ratcliffe has spent 21 days camped outside the Foreign, Commonwealth and Development Office in London without food. He began his demonstration on 24 October after his wife lost her latest appeal in Iran, saying his family was “caught in a dispute between two states”
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UK news in pictures 12 November 2021 Peter Green protesting outside the Cop26 gates during the official final day of the Cop26 summit in Glasgow.
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UK news in pictures 11 November 2021 Seagulls fly around the statue entitled 'Tommy', a first World War soldier by artist Ray Lonsdale at dawn in Seaham, Britain
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UK news in pictures 10 November 2021 Climate activists dressed as characters inspired by the Netflix series “Squid Game” protest as they ask Samsung to go 100% renewable energy, outside the venue for COP26 in Glasgow
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UK news in pictures 9 November 2021 A deer statue silhouetted at Loch Faskally in Pitlochry, Scotland
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UK news in pictures 8 November 2021 Sunrise over St Mary's Lighthouse at Whitley Bay on the North East coast of England
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UK news in pictures 7 November 2021 Activists from Friends of the Earth during a demonstration calling for an end to all new oil and gas projects in the North Sea outside the UK Government's Cop26 hub during the Cop26 summit in Glasgow
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UK news in pictures 6 November 2021 Protesters take part in a rally organised by the Cop26 Coalition in Glasgow demanding global climate justice
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UK news in pictures 5 November 2021 Final touches are made to a life sized Sir David Attenborough cake surrounded by animals as part of a display created by a group of cake artists during Cake International at NEC Birmingham
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UK news in pictures 4 November 2021 A spectacular display of the Northern Lights seen over Derwentwater, near Keswick in the Lake District
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UK news in pictures 3 November 2021 Police and demonstrators at a Extinction Rebellion protest on Buchanan Street, during the Cop26 summit in Glasgow
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UK news in pictures 2 November 2021 A person walks along the Basingstoke canal near to Dogmersfield in Hampshire
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UK news in pictures 1 November 2021 Sir David Attenborough delivers a speech during Cop26 in Glasgow
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UK news in pictures 31 October 2021 Extinction Rebellion activists protest in Edinburgh as the Cop26 conference begins in Glasgow
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UK news in pictures 30 October 2021 First Minister Nicola Sturgeon with Mapuche leader and Minga Indigena Lead Coordinator Claflin Lafkenche (right) alongside indigenous delegates at a ceremonial gathering at the Tramway in Glasgow in a symbolic gesture to mark a unified demand for climate justice
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UK news in pictures 29 October 2021 Ocean Rebellion put on a display of puking oil heads ahead of climate change conference COP26 in Glasgow
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The prime minister’s reticence to impose new restrictions despite spiking cases comes after a bruising rebellion at the hands of his own MPs over vaccine passports.
Speaking after the press conference, Dr David Nabarro, the World Health Organisation's special envoy on Covid-19, told Sky News:
"This is a very serious situation indeed. The rise that you're seeing in the UK today is just the beginning of an extraordinary acceleration.
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"There are two epidemics going on delta and omicron, and it is an emergency situation for the British health service. It will get extremely serious within the next two weeks, perhaps quicker."
He added: "I have never been more concerned than I am tonight, not just about the UK but about the world."