Covid-19: can we compare different countries?
Nicola Davis asks mathematician Kit Yates how useful global comparisons are when it comes to the coronavirus outbreak, given the huge differences in demographics and public health responses. And, as per a question from a listener, what the best metric is when doing such comparisons?. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>