It seems astonishing looking back that—despite the documented experiences of other countries; despite the then Secretary of State referring to data with a Reasonable Worst Case Scenario of 820,000 deaths;138 despite the raw mathematics of a virus which, if it affected two-thirds of the adult population and if one percent of people contracting it died would lead to 400,000 deaths—it was not until 16 March that SAGE advised the Government to embark on a full lockdown (having said on 13 March that “it was unanimous that measures seeking to completely suppress the spread of covid-19 will cause a second peak”)139 and not until 23 March that the Government announced it. Border controls