By Charlotte Webster-
The coronavirus vaccine developed by the University of Oxford is highly effective at stopping people developing Covid-19 symptoms, a large trial shows.
Researchers say the level of accuracy is a least 70% but may be as high as 90% by tweaking the dose.The results have been praised after Pfizer and Moderna vaccines showed 95% protection. The trial of more than 20,000 volunteers in the UK and Brazil. Researchers said that nobody who got the actual vaccine developed severe-Covid or needed hospital treatment. Care home residents and staff will be first in the queue, followed by healthcare workers and the over-80s. The plan is to then to work down through the age groups.
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“The announcement today takes us another step closer to the time when we can use vaccines to bring an end to the devastation caused by [the virus],” said the vaccine’s architect, Prof Sarah Gilbert.
The UK government has pre-ordered 100 million doses of the Oxford vaccine, and AstraZeneca says it will make three billion doses for the world next year.
Prime Minister Boris Johnson said it was “incredibly exciting news” and that while there were still safety checks to come, “these are fantastic results”
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Prof Andrew Pollard, the trial’s lead investigator, said he was “really pleased” with the results as “it means we have a vaccine for the world”.
However, protection was 90% in an analysis of around 3,000 people on the trial who were given a half-sized first dose and a full-sized second dose.
Prof Pollard said the finding was “intriguing” and would mean “we would have a lot more doses to distribute.”
The analysis also suggested there was a reduction in the number of people being infected without developing symptoms, still believed of being able to spread the virus. In the UK there are four million doses of the Oxford vaccine, yet to be approved by regulators who will assess the vaccine’s safety, effectiveness, and that it is manufactured to high standard. This process will happen in the coming weeks.
Results
The research included 30 cases of Covid in people who had two doses of the vaccine and 101 cases in people who received a dummy injection. The researchers said it worked out at 70% protection, which is better than the seasonal flu jab.
Nobody getting the actual vaccine developed severe-Covid or needed hospital treatment.
Prof Andrew Pollard, the trial’s lead investigator, said he was “really pleased” with the results as “it means we have a vaccine for the world”.
However, protection was 90% in an analysis of around 3,000 people on the trial who were given a half-sized first dose and a full-sized second dose.
Prof Pollard said the finding was “intriguing” and would mean “we would have a lot more doses to distribute.”
The analysis also suggested there was a reduction in the number of people being infected without developing symptoms, who are still thought to be able to spread the virus.
However, the UK is preparing to press the go button on an unprecedented mass immunisation campaign that dwarfs either the annual flu or childhood vaccination programmes.
Care home residents and staff will be first in the queue, followed by healthcare workers and the over-80s. The plan is to then to work down through the age groups.
Prof Andrew Pollard, the trial’s lead investigator, said he was “really pleased” with the results as “it means we have a vaccine for the world”.
However, protection was 90% in an analysis of around 3,000 people on the trial who were given a half-sized first dose and a full-sized second dose.
Prof Pollard said the finding was “intriguing” and would mean “we would have a lot more doses to distribute.”
The analysis also suggested there was a reduction in the number of people being infected without developing symptoms, who are still thought to be able to spread the virus.
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