BREAKING: The vaccine developed by the University of Oxford stops 70% of people developing Covid symptoms, a large scale trial shows.
More with @sallynugent and @mrdanwalker on #BBCBreakfast.https://t.co/3ojjR4Rc4Q pic.twitter.com/bFwNC6q9RI

— BBC Breakfast (@BBCBreakfast) November 23, 2020