Scientists start work on steps needed for potential rapid development of a modified vaccine, AstraZeneca says
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The UK medicines regulator is in discussions with coronavirus vaccine manufacturers about “potential modifications” that may be needed to ensure their jabs protect against new variants of the virus.
The Medicines and Healthcare products Regulatory Agency (MHRA) said there was no evidence that vaccines failed to work against the new variants that emerged in recent months, but said it had made the issue a priority.
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