Professor Ashton has deep practical understanding of the science of public health - a discipline invented in Britain - as a former Director of Public Health. In this jargon-free fly-on-the-wall tale he sets the UK government's measures to deal with COVID-19 from January against two centuries of home-grown knowledge. How do the government's experts and the UK's reliance on web-based solutions such as Test&Trace measure up against the past, for example the 2008 Swine 'Flu epidemic?