By now more than 70% of the UK population have received a third COVID vaccination, or a booster. Many people who are older or at higher risk from COVID have had a fourth or even a fifth dose. But for how long and how often can we expect to continue to get COVID boosters? An annual booster, as we have with flu, could be a worthwhile precaution moving forward.
COVID vaccines have played a crucial role in protecting people against serious illness, hospitalisation and death from infection with SARS-CoV-2, the virus that causes COVID-19. However, vaccine immunity, particularly against infection, begins to wane after a few months.
