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No 10 wanted union flag on Oxford coronavirus vaccine kits
By Heather Stewart, Rajeev Syal & Archie Bland
UK set to approve Pfizer-BioNTech Covid vaccine within days
By Donato Paolo Mancini & Sebastian Payne
COVID-19: Which vaccine could reach developing countries first?
By Lin Taylor
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AstraZeneca and Oxford defend Covid vaccine trials after questions raised in the U.S.
By Natasha Turak
Oxford/AstraZeneca Covid vaccine 'dose error' explained
By Michelle Roberts