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Jonathan Van-Tam, the deputy chief medical officer for England, said that mixing vaccines may give a better immune response
GEOFF PUGH/AFP/GETTY IMAGES
Britain has begun the first trial to explore “mixing and matching” vaccines in the hope that it could minimise supply problems here and abroad. A group of 800 volunteers aged above 50 are being recruited to try the Oxford and Pfizer vaccines in combination instead of using the same one for first and second doses. This could provide equal or even better protection. Source: The Times