Covid Omicron wave: 'We have to prepare for the worst and hope for the best'
Dr Susan Hopkins from the UK Health Security Agency is asked by the BBC's Andrew Marr if she is worried about the new wave of the Omicron variant of Covid-19.
Dr Susan Hopkins from the UK Health Security Agency is asked by the BBC's Andrew Marr if she is worried about the new wave of the Omicron variant of Covid-19.