There are three main strategies for leaving coronavirus lockdown, but each risks a dangerous second wave and further lockdowns if things don't go as planned

People applaud health workers in locked-down Madrid, Spain Jorge Sanz/Sopa Images/Sipa USA/PA Images

BANS, curfews and wide-reaching restrictions. For many people worldwide, severe limitations on daily life because of the coronavirus have become the new normal. But as we adjust to these measures, what prospect is there of returning to the old normal? What is the world’s exit strategy?

If you are hoping for a return to your old life, there is good news and bad news: it will happen, but not necessarily soon. “It is absolutely the case that government advisers and researchers are considering the question of …