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Britain explores mixed COVID vaccine shots as variants threaten

Britain explores mixed COVID vaccine shots as variants threaten

13 Sept 09:43 Key points summarised by AI
  • Britain launched a world-first trial to investigate mixing doses of Pfizer and AstraZeneca COVID-19 vaccines.
  • The study aims to find new strategies for swiftly reducing coronavirus infections amid the emergence of concerning mutated variants, such as the British, South African, and Brazilian strains.
  • Researchers will test different vaccine sequences (Pfizer then AstraZeneca, or vice versa) and intervals, combining mRNA and adenovirus viral vector technologies.
  • This 'mix-and-match' approach could offer greater flexibility in vaccine deployment and potentially enhance immune responses against the virus.
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