The pharma giant s shares rose 1.4 per cent after the trial showed its Vaxzevria vaccine was 74 per cent effective at preventing symptoms developing, rising to over 83 per centfor those over 65.
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MARKET REPORT: AstraZeneca boosted by US Covid vaccine trial results thisismoney.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thisismoney.co.uk Daily Mail and Mail on Sunday newspapers.