We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors This week, from 2020: When he was six, Paul Alexander contracted polio and was paralysed for life. Today he is 74, and one of the last people in the world still using an iron lung. But after surviving one deadly outbreak, he did not expect to find himself threatened by another. Help support our independent journalism at theguardian.com/longreadpod
