Booster Covid jabs are now being given in the UK to over-50s, those with underlying health conditions, and health and social care staff.
But what are they, how much protection do they offer and will we all need to have a third dose of the vaccine at some point?
Today, FactCheck’s Georgina Lee tells us everything we need to know about boosters and discusses whether we should really be jabbing Britons three times when parts of the world haven’t even had one dose yet?
Sources: Sky News, DW News, ABC News, NBC News
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