Covid-19 shielding update is based on more sophisticated system

The new Covid-19 shielding list takes national data and calculates risk in a more sophisticated way, incorporating age, illness, and ethnicity, among other factors, says Professor Andrew Hayward (UCL Epidemiology & Health).

Listen: BBC Radio 4’s ‘Today Programme’ (from 17 mins 50 secs), Watch: BBC's 'Newsnight' (from 6 mins 39 secs)