Health Secretary Sajid Javid has suggested the possible impact of the Omicron variant of COVID-19 will be known in a fortnight’s time and ahead of the government’s three-week review of fresh restrictions.

The government has responded to the discovery of the Omicron variant by reimposing compulsory mask-wearing in England in shops and on public transport, as well as tightening international travel restrictions and self-isolation rules.

The changes are due to be reviewed in three weeks’ time, as more is learned about the variant, but Mr Javid signalled to Sky News that this review could happen earlier.

“It might take a bit longer than three weeks, it might be a bit sooner than three weeks,” the health secretary said.

“We’re confident that, actually, maybe within two weeks that we can know a lot more about this.

“We might not even need to wait three weeks, but the three weeks was a sensible date to set for a review because now that we have live samples of the virus, they’ve gone to our labs in Porton Down.

“Our scientists and the best scientists in the world are working through it, we’re working with our G7 colleagues… so we’re working internationally, we’re working at pace at home and I think in a couple of weeks we will know a lot more about this variant.”

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The government has also promised to ramp up the booster vaccine programme in response to the Omicron variant, with Mr Javid admitting it was a “huge ask” to reach a new target of half a million jabs a day.

But he said he was confident that all adults will be offered a COVID-19 booster vaccine by the end of January.

Despite the imposition of new restrictions, Mr Javid added that “people should continue to behave in the way they were planning to” in relation to Christmas parties.

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