People will need to have COVID-19 booster shots on top of the original two doses to be considered “fully vaccinated” in the UK, British Prime Minister Boris Johnson said on Monday. At a Downing Street press briefing, Johnson said the concept of what constitutes “full vaccination” will need to be adjusted. “On boosters, it’s very clear that getting three jabs—getting your booster—will become an important fact and it will make life easier for you in all sorts of ways, and we will have to adjust our concept of what constitutes a full vaccination to take account of that,” he said. “As we can see from what’s happening, the two jabs sadly do start to wane, so we’ve got to be responsible and we’ve got to reflect that fact in the way we measure what constitutes full vaccination.” Johnson said the government will be making plans to add the booster to …