The UK needs an 'early warning system' to track new variants when Covid restrictions are lifted, a leading vaccine expert has said.
Prime Minister Boris Johnson is to announce his living with Covid plan today (Monday, February 21) which will see the scrapping of regulations put in place to control the pandemic.
Professor Sir Andrew Pollard told BBC Radio 4’s Today programme there is a need to monitor variants to see if they are more dangerous than Omicron.