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What makes boosters more effective than the first two Covid jabs?

Mon Dec 13 , 2021
Analysis: top-up vaccines make key changes to our antibody defences, reducing the threat from Omicron Coronavirus – latest updates See all our coronavirus coverage Covid-19, we should know by now, is a moving target. In autumn the rollout of boosters to older age groups was contentious. Now they’re the single […]

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