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 …