Live updates: follow the latest news on Covid-19 variant Omicron
The AstraZeneca coronavirus vaccine could be protecting vulnerable people in the UK from deaths as the highly contagious Omicron mutation spreads rapidly, the former chief of the country's vaccine task force said.
Dr Clive Dix said early data showed the durable cellular immunity response produced by the shot could “last for life".
The vaccine, developed with the University of Oxford, was approved last December and vaccines were initially distributed among the older and the most vulnerable in society.
But fears over links to blood clots led some European countries to pause their use of the inoculation.
“We've seen early data that the Oxford jab produces a very durable cellular response and if you've got a durable cellular immunity response then they can last for a long time. It can last for life in some cases,” Dr Dix said.
In December, countries across Europe have been battling a new Covid-19 wave driven by the Omicron variant.
The UK has had a surge in daily cases to record levels but so far there has not been a similar increase in deaths.
Going into the holiday period, France and Germany and the Netherlands were imposing new Covid restrictions. Germany fears Omicron will become the dominant strain by mid-January.
“If you look across Europe, with the rise in cases, there's also a corresponding lagged rise in deaths but not in the UK, and we have to understand that,” Dr Dix said.
“I personally believe that's because most of our vulnerable people were given the AstraZeneca vaccine.”
AstraZeneca has been praised and criticised in the pandemic.
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A member of staff walks through a ward for Covid-19 patients at King's College Hospital in London. PA -
A sign urging residents to wear face masks in Nottingham. People who have tested positive for the coronavirus will now be able to leave home on day seven if they have two negative tests. AP -
A waiter cleans a table at an empty restaurant in London. Authorities are still urging people to stay at home amid fears over the Omicron coronavirus variant. Reuters -
Passengers wearing Santa hats sit on the top deck of a tour bus as they view the Christmas lights in central London. AFP -
Nurses work at a desk surrounded by Christmas decorations in a ward for Covid-19 patients at King's College Hospital. PA -
Empty tables outside a restaurant in the Seven Dials district of London. Covid-19 infections have surged in recent days, authorities say. AFP -
People receive a dose of a Covid-19 vaccine at a temporary clinic set up in the Titanic Exhibition Centre in Belfast. AFP -
Shoppers stroll through Carnaby Street in London. AP -
People, most of them without masks, skate around the Christmas tree at the Natural History Museum in London. Reuters -
Health workers speak with a patient inside a vaccination centre in Liverpool. AFP -
Tourists cross Westminster Bridge in London. AP -
A sign outside the Natural History Museum in South Kensington, London, which has been forced to close its doors for a week due to staff shortages related to coronavirus. PA -
Commuters at a quiet Waterloo Station in south London. PA
Its coronavirus vaccine was one of the first on the market and at a low cost compared to others.
The introduction of the Oxford-AstraZeneca shot in the UK led government advisers to recommend that under-40s should be offered alternatives after evidence that it may be linked to very rare blood clots.
In Europe, there was more widespread reaction to the clotting.
