Covid-19 Sky News Latest
BREAKING: The Chief Executive of AstraZeneca says the firm is likely to conduct another global trial of the Oxford #coronavirus vaccine, after the US official raised concerns over its effectiveness. Sky's @rowlsmanthorpe has the latest. #COVID19 : https://t.co/BOtvCkTLH8 pic.twitter.com/aGKQm4zfiG — Sky News (@SkyNews) November 26, 2020