Covid: No safety concerns found with Oxford vaccine trialin Brazil
https://www.bbc.com/news/world-latin-america-54634518?xtor=AL-72-%5Bpartner%5D-%5Bbbc.news.twitter%5D-%5Bheadline%5D-%5Bnews%5D-%5Bbizdev%5D-%5Bisapi%5D&at_campaign=64&at_custom1=%5Bpost+type%5D&at_medium=custom7&at_custom3=%40BBCWorld&at_custom2=twitter&at_custom4=960D8400-13CD-11EB-8E59-5B9C4744363C