Covid boosters are a gamechanger – if they are free for everyone

Only private jabs are available to most, but annual shots would save the NHS nearly £4bn a year and prevent more than 5,000 deaths

• Cheaper private Covid jabs may end up as costly as pricier ones, say experts

Private Covid boosters are available for people who do not qualify to receive these vaccines on the NHS. But is it worth paying for a shot?

With most people now having been exposed to Sars-CoV-2 through previous vaccination and/or infection, our immune systems are generally well equipped to recognise and kill the virus if we become infected.