Oxford Covid jab faces to be withdrawn from Britain’s vaccine rollout

The Oxford jab could be largely withdrawn from UK’s vaccine programme as millions of Britons who were given two doses are likely to be offered a Pfizer booster shot.

The booster programme is expected to rely mainly on the Pfizer vaccine under a ‘mix and match’ strategy to top-up immunity.

Research has suggested combining the two different vaccines can provide better and longer lasting protection against Covid-19.

But the UK’s medical regulator has ruled that the Oxford-AstraZeneca vaccine cannot be used for third doses in this way.

This means the majority of third doses given out this autumn and winter are likely to be Pfizer.

This could see the Oxford jab, initially planned to be the workhorse of the UK’s vaccination programme, effectively phased out.

The AZ jab is already not offered to under 40s in the UK due to a link with rare blood clots.

Final details of plans to re-vaccinate up to 35 million adults are due to be unveiled early next week after being signed off by the Joint Committee of Vaccination and Immunisation (JCVI).

Ministers yesterday confirmed they were pressing ahead with the scheme despite criticism from Dame Sarah Gilbert, who created the Oxford jab.

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Dame Sarah said a mass booster programme was unnecessary as immunity from two doses was ‘lasting well’, suggesting spare vaccines should instead be sent to developing countries.

But Culture Secretary Oliver Dowden said: ‘Pretty much all nations are looking at doing a booster programme – Israel are already doing it – so we are not an outlier in doing this.’

Speaking to Sky News, he added: ‘There is a range of opinion among scientists – this is why we have the JCVI to give us the authoritative advice and we’ll follow that advice.’ On Thursday the JCVI met to analyse results of a study by the University of Southampton looking at the impact of third doses on immunity.

The Cov-Boost trial found that a third dose of Pfizer-BioNTech is highly effective at boosting the body’s immune response to Covid-19.

This increase in antibody levels after a third dose applied both to people who had previously had two of either the Pfizer or the Oxford jabs for their first two doses.

It strengthens evidence in favour of a ‘mix and match’ approach to boosters.

The UK’s medical regulator has approved giving people Pfizer-BioNTech to people as a third dose even their first two doses were Oxford-AstraZeneca.

But they have not approved this the other way round – meaning people who have had two doses of Pfizer cannot get the AZ jab as a third dose.

The JCVI has already said a third dose of either Pfizer or Moderna vaccines should be offered to 500,000 people with severely weakened immune systems.

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                           © Provided by Daily Mail 

Health Secretary Sajid Javid has committed to a wider booster programme starting this month. It is likely to begin with those who were first to get vaccinated, including the over-80s and social care residents.

Professor Sir Andrew Pollard, director of the Oxford Vaccine Group, said the data on who is being hospitalised will be vital in determining who gets boosters.

He said: ‘What I think is really important, and as JCVI will be, is looking at the data on whether boosters might be needed – so in other words, looking at who is ending up in hospital, who are the people who are losing immunity at the moment.

‘And as far as I’m aware, up to this point, we’ve not seen any major breakdown in protection that we have in our population.’ He said immune responses ‘do start to fall’ over time ‘and of course that is happening at the moment’.

Sir Andrew added: ‘Here in the UK the the levels of immunity have fallen, but that’s not the same as the levels of protection.’ He said that ‘in the vast majority of the population, we still are enjoying very high levels of protection despite that declining immunity’ and added it was important to separate the two things.

Asked whether there was a moral issue over giving booster shots when millions of people in other countries are unvaccinated, he said: ‘I think for the politicians, absolutely, if there is a need to vaccinate people to defend health, then that is their responsibility to the electorate, to us.

‘So that’s why it’s really important to follow the data and to look at where the potential is for improving protection if that’s actually needed, but there is a very separate issue which you raise here, which is the global situation.

‘At this moment, there is a fire raging all around the world, with huge pressure on health systems in many, many countries.’


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