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A vial of the COVID-19 vaccine developed by Oxford University and UK-based drugmaker AstraZeneca is checked as they arrive at the Princess Royal Hospital in Haywards Heath, England, on Jan. 2, 2021. Gareth Fuller/Pool via AP
The UK government has announced the world’s first clinical trial of switching between different COVID-19 vaccines for the first and second doses.
Scientists are hoping that the trial—which won’t yield initial results until the summer—will reveal how vaccines could be used more flexibly, potentially resolving logistical and supply challenges.
Simon Veazey is a UK-based journalist who has reported for The Epoch Times since 2006 on various beats, from in-depth coverage of British and European politics to web-based writing on breaking news.
