The coronavirus test and trace system has been launched in England, with thousands of people employed as tracers.
They will have the task of tracking down those who have been in contact with anyone who has tested positive for the virus.
It comes as lockdown restrictions have been eased across the UK, despite some experts warning there’s a risk of a second wave of infections.
Sophie Raworth presents BBC News at Ten reports from Health Editor Hugh Pym and Medical Correspondent Fergus Walsh.
Covid-19 (Coronavirus) news from BBC