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- Eleanor Quek and Hasan Tahir.
- Department of General Medicine, Barnet Hospital, Royal Free London NHS Foundation Trust, London, UK.
- Brit J Hosp Med. 2021 Feb 2; 82 (2): 1-4.
AbstractThe UK government recently decided to extend the interval between the first dose of the Pfizer BioNTech and AstraZeneca COVID-19 vaccines from 3 weeks to 12 weeks to maximise the number of people receiving the initial dose, despite the trials only providing vaccine efficacy data based on a schedule of 21 days between doses. This editorial discusses whether there is evidence to support this policy change.
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