AstraZeneca Covid-19 vaccine is 70% effective on average, data show

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The final analysis of the experiments conducted on the vaccine comes only a week after the initial results of the Pfizer/BioNTech vaccine, which showed that the vaccine is more than 90 percent effective.

The ability to more easily distribute a vaccine that can be easily stored in ordinary fridge temperatures - rather than in a deep freeze - is significant.

Pharmaceutical giant AstraZeneca has confirmed that its coronavirus vaccine is now ready for regulatory approval and rollout, after late-stage trial results found the vaccine to be up to 90% effective.

A woman holds a small bottle labeled with a "Vaccine COVID-19" sticker and a medical syringe in this illustration taken April 10, 2020.

AstraZeneca says three billion doses are in the process of being manufactured for 2021.

AstraZeneca, which has promised not to profit from the vaccine "for the duration of the pandemic", said it will now immediately prepare to submit the data to regulators around the world - including in the United Kingdom, Europe and Brazil - that have framework in place for conditional or early approval.


Pollard said that although this was not routine practice in vaccines and added a layer of complexity to its manufacturing, it makes more sense in terms of optimising resource use to guarantee a higher level of protection.

Also earlier this month, USA biotechnology company Moderna released preliminary data, saying its COVID-19 vaccine appears to be 94.5 percent effective. By contrast the AstraZeneca/Oxford vaccine will be sold at cost until the end of the pandemic (reportedly limited to July 2021) - around €2 per dose.

When asked by The Telegraph earlier this year if she had been keeping an eye on their health over the breakfast table after the jabs were administered, Prof Gilbert admitted: "I haven't been home much". The European Commission has agreed a contract to purchase 300 million doses, with an option for 100 million more.

Speaking at a press conference on Monday (23 November), Andrew Pollard, director of the Oxford vaccine group, stressed both the effectiveness and the accessibility of the vaccine, calling it a "vaccine for the world".

British Prime Minister Boris Johnson has greeted the news with enthusiasm., tweeting: "Incredibly exciting news the Oxford vaccine has proved so effective in trials".

"Beating Covid-19 will depend on global collaboration", Weller told the Science Media Centre, adding that "the incredible scientific progress being made will be for nothing if global governments do not make more money available, and urgently". "There are still further safety checks ahead, but these are fantastic results".

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