Exclusive: Oxford study indicates AstraZeneca effective against Brazil variant, source says ReutersCovid-19: Brazil Hits Record for Covid Deaths as Hospitals Near Collapse Bloomberg Quicktake: Now‘No evidence’ COVID variant of concern has been transmitted in the UK, Matt Hancock says Yahoo News AustraliaMissing person with Brazil variant found in Croydon after five-day search The IndependentMystery U.K.