The approach is about flattening the "broader peak" of the epidemic
Best of Today - Ein Podcast von BBC Radio 4

The government's chief scientific adviser, Sir Patrick Vallance, has defended the UK's latest approach to slowing the spread of the coronavirus. People with a new persistent cough or a fever are being advised to stay at home for a week. Unlike many other countries, the UK hasn't closed schools or banned visits to care homes, but Sir Patrick doesn't think such measures are appropriate at the moment.