Updated versions of vaccine are being developed in case variants evade immunity provided by current shots
Clinical trials of vaccines against new variants of coronavirus will start in the summer to ensure updated boosters are available for the autumn if needed, Oxford’s lead vaccine researcher has told MPs.
Prof Sarah Gilbert said her team was producing initial stocks of vaccine that targeted new variants which were at least partially resistant to the current vaccines being rolled out. The stocks will be passed to AstraZeneca for large-scale manufacturing.
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