A booster dose means the chance of symptomatic an infection with the Omicron variant is “considerably decreased”, in response to well being officers who’ve urged all these eligible to verify they get their third jab.
It comes because the specialists warned Omicron might develop into the dominant variant within the UK by mid-December, with the communities secretary, Michael Gove, saying every little thing is being saved “below evaluate” by way of measures to sort out the unfold.
Evaluation by the UK Well being Safety Company (UKHSA) discovered that the AstraZeneca and Pfizer/BioNTech vaccines offered “a lot decrease” ranges of safety in opposition to symptomatic an infection with Omicron in comparison with Delta.
However the preliminary information, which checked out 581 folks with confirmed Omicron, recommended effectiveness appeared to “improve significantly” within the early interval after a booster dose, giving about 70-75% safety in opposition to symptomatic an infection.
The findings come as each day Covid circumstances reached their highest level in almost a year and the UKHSA predicted that, if present tendencies proceed, the UK will exceed 1 million infections by the tip of the month.
Learn extra: Two jabs offer little protection against Omicron infection, UK data shows
Gove warned of a “deeply concerning situation” after holding a Cobra assembly on Friday afternoon to debate the newest information and the co-ordinated response throughout the 4 nations.
Dr Mary Ramsay, head of immunisation on the UKHSA, mentioned whereas their early information must be handled with warning, it indicated that “just a few months after the second jab, there’s a higher danger of catching the Omicron variant in comparison with Delta pressure”.
She added:
The information recommend this danger is considerably decreased following a booster vaccine, so I urge everybody to take up their booster when eligible.
Talking to broadcasters, Gove mentioned the Omicron variant is doubling each two to a few days in England “and probably even quicker in Scotland”.
He added that 30% of reported circumstances in London had been the brand new variant, and warned that proof recommended Omicron was “extra probably” than previous Covid variants to “doubtlessly” result in hospital admissions among the many totally vaccinated.
Scotland’s first minister, Nicola Sturgeon, earlier warned of the potential of a “tsunami of infections” from the brand new variant – and mentioned she couldn’t rule out extra restrictions north of the border consequently.
However No 10 maintained that there have been “no plans” to go additional with measures in England, amid stories that proposals are being drawn up for a “Plan C” that includes even harder guidelines.
Gove mentioned the present method being taken was “proportionate”, however acknowledged that “we completely do must maintain every little thing below evaluate”.
He mentioned:
Motion is completely required and, as new information is available in, we are going to think about what motion we do require to soak up the face of that information.
The Guardian reported that the well being secretary, Sajid Javid, had been given a presentation from the UKHSA earlier this week warning that even when Omicron results in much less severe illness than Delta, it nonetheless dangers overwhelming the NHS with 5,000 folks admitted to hospital a day.
It mentioned the leaked recommendation mentioned “stringent motion” could be wanted on or earlier than December 18 if the variant’s doubling time stays at 2.5 days, though what such restrictions may entail weren’t set out apart from to say measures that might carry the R quantity – representing the common variety of folks every Covid-positive particular person goes on to contaminate – beneath 1.
Learn extra: Javid advised to take ‘stringent’ Covid measures within a week, leak reveals
Prof Neil Ferguson, from Imperial Faculty London, whose information was instrumental to the UK going into lockdown in March 2020, advised the Guardian that projections recommended Omicron might “very considerably overwhelm the NHS, getting as much as peak ranges of admissions of 10,000 folks per day”.
He mentioned such a determine may very well be reached “someday in January” however added that it was primarily based on assumptions across the variant’s potential to get round present safety, and the premise that it’s much like Delta by way of the severity of illness it causes – one thing that isn’t but recognized.
Learn extra: Omicron could overwhelm NHS if it is as virulent as Delta, Neil Ferguson says