(20) NHS on Twitter: "Every adult needs a COVID-19 booster vaccine, because 2 doses do not give you enough protection against catching Omicron. It’s the best way to protect from the virus and should significantly reduce your risk of serious illness and hospitalisation. More: https://t.co/95odTgmvQS" / Twitter

(20) NHS on Twitter: "Every adult needs a COVID-19 booster vaccine, because 2 doses do not give you enough protection against catching Omicron. It’s the best way to protect from the virus and should significantly reduce your risk of serious illness and hospitalisation. More: https://t.co/95odTgmvQS" / Twitter