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Covid 19 vaccine developed by University of Oxford is 70% effective, large scales trials shows, other vaccines by Pfizer and Moderna showing over 90% effectiveness. UK-government has pre-ordered 100 million doses of the Oxford vaccine, enough to immunise 50 million people. UK Prime Minister said: ''INCREDIBLY EXCITING NEWS THE OXFORD VACCINE HAS PROVED SO EFFECTIVE IN TRIALS.
The vaccine has been developed in around 10 months, a process that normally takes a decade
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