JUST IN: AstraZeneca says late-stage trials of its COVID-19 vaccine were “highly effective’’ in preventing disease. abcn.ws/3nSCmVD
Vaccine developed by AstraZeneca and the University of Oxford prevented 70% of people from developing the coronavirus in late-stage trials, the team reports. abcn.ws/36YEbJQ
Researchers found that a half dose of the vaccine followed by a full dose at least one month apart was 90% effective. abcn.ws/3pUqUKY
U.K. Prime Minister Boris Johnson: “Incredibly exciting news the Oxford vaccine has proved so effective in trials. There are still further safety checks ahead, but these are fantastic results.” abcn.ws/3pRvfyv 
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