The Health Secretary has refused to rule out more Covid restrictions coming in before Christmas.
There have been suggestions of a ‘circuit-breaker’ lockdown coming in – a suggestion put to Mr Javid.
But he told the BBC’s Andrew Marr Show: ‘We just have to keep everything under review.’
Mr Javid added that hospital appointments were already being cancelled as the hugely infectious variant rips through the country.
He said: ‘We are assessing the situation, it’s very fast-moving. We’ve seen with Omicron there’s a lot that we still don’t know about Omicron.
‘That’s the truth of the matter. The reality is there’s a lot of uncertainty.’
And the Health Secretary said it was ‘time to be more cautious’.
‘We know this thing is spreading rapidly. We know already now that in London, it’s around 80% of infections, in England it’s around 60% of infections,’ he added.
Mr Javid described advice from Government scientific advisers warning of the possible impact on hospital admissions from Omicron as ‘sobering’.
But he continued: ‘We take it very seriously.
‘We do have to challenge data and underlying assumptions, I think that is appropriate, and take into account a broader set of facts.’
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