Boris Johnson given key health data TODAY as fears of New Year circuit breaker loom

BORIS Johnson is today poring over make-or-break Covid data that could see fresh restrictions rammed in after Christmas.

Key stats on hospitalisations are due that could tip the balance on a circuit-breaker if scientists fear Omicron risks swamping the NHS.

The PM has ruled out more measures this side of Christmas but warned he could take action before the New Year if the pandemic picture blackens.

He stressed the best weapon in the arsenal was vaccines and urged Brits to get boosters.

It makes it more vital than ever to sign up to The Sun's Jabs Army campaign and help turbo-charge the booster rollout.

Millions are desperate to see out 2021 with a big blow-out and are praying the PM Johnson doesn't drop bombshell circuit-breaker restrictions.

Much of the decision is expected to hinge on the strain on hospitals in London, the epicentre of the Omicron outbreak.

Ministers reportedly hope to hold off pulling the trigger on more curbs if hospitalisations stay below 400 in the capital.

Mr Johnson will soon also be presented with encouraging findings from government scientists that Omicron is milder than Delta.

The UK Health Security Agency report leaked to the Politico website shows people are much less likely to get really sick than with other mutations.

Care Minister Gillian Keegan said the data on Omicron's severity was the "missing piece" the Government had been waiting for before deciding how to act.

An announcement on whether to impose a circuit-breaker could come as soon as this weekend or be delayed until after Christmas.

In major developments:

• The PM ruled out any restrictions before Christmas in a relief for families
• The 10-day isolation period was cut to seven days from today
• There were signs the Omicron outbreak could be fizzling out
• Ex-PM Tony Blair hit out at unvaccinated "idiots"
• Mark Drakeford announced fresh curbs in Wales

Ms Keegan said she had not seen the UKSA report but suggested the findings were a vital indicator of whether new restrictions were needed.

She said: "Well, that's one of the missing pieces of data that we've been waiting for. We ask for it every day.

"I'm looking forward to receiving it. But we haven't received that officially yet."

Yet the top Tory cautioned that the situation was unclear and told Brits not to send out NYE party invites just yet.

Asked if hosts should start making arrangements, Ms Keegan told LBC: "There is uncertainty. So if you can't change your plans quickly, then maybe think about it.

"But there is uncertainty, we can't predict what the data is going to tell us before we've got the data.

"We're trying to take a balanced and proportionate approach so that people could see their families over Christmas to try and plan some stuff"

The PM last night said the current evidence did not "justify tougher measures" before Christmas but hinted at a post-festive crackdown.

Yet there are signs cases could be flattening after daily cases hovered around 90,000 for fifth consecutive day.

Prof Paul Hunter said: "The numbers over the last few days seem to have plateaued and maybe even be falling."

However Ms Keegan said Ministers had not yet been told that Omicron was past the peak.

Positive hospitalisation data in London also gave rise to hopes we could dodge a New Year's circuit-breaker.

Government sources told the  draconian measures may not be put in place at all if hospital admissions stay under 400-a-day in the capital.

The restrictions are being considered in a bid to keep the NHS from being overwhelmed in the coming weeks, with Omicron cases remaining high.

However Mr Johnson is set to keeping mulling over the hospital data before making a decision on what measures, if any, may be needed.

In the capital four out of five cases tested were Omicron, as the mutant bug continues to spread across the UK.

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Hospital admissions in London are not the only measure being used to assess the severity of the strain - but it a key part of the decision making.

The threat of more curbs loomed as Mr Johnson said “we cannot rule out further measures after Christmas”.

Downing Street insiders refused to rule out tougher rules immediately after the weekend.

Mr Johnson urged families holding festive get togethers to protect granny and grandpa from Covid by leaving windows open to “keep fresh air circulating”.

Health Secretary Sajid Javid said: "It is fast-changing, the situation, there's more data not just here from home but from abroad - we keep an eye on all that data and discuss it with our expert advisers.

"As the Prime Minister has said, whilst there's no need for any further restrictions before Christmas we will certainly keep the situation under review."

Yesterday’s announcement means that Boxing Day football will go ahead with crowds in England — unlike in Scotland where games will be limited to 500 fans.

It came as it emerged that 90 per cent of Covid patients in hospital intensive care units are unvaccinated.