ALTHOUGH the UK and many other countries are still on the upward curve in terms of covid-19 cases and deaths, in scientific circles, thoughts are already turned towards how we can end the lockdown and return to a semblance of normality.

It is a crucial endeavour, but it isn’t a simple one by any means. The world can’t remain in lockdown, yet millions and millions of people remain very vulnerable to the coronavirus. Added to this, a possible vaccine is a long way off, if indeed we ever get one that is useful. So how do we get out of the current situation and …