Perhaps the greatest disaster to ever befall humanity, the pandemic of 1918 is strangely overlooked. Demonstration at the Red Cross Emergency Ambulance Station in Washington, D.C., during the influenza pandemic of 1918 The history of humanity is punctuated with purges. Large numbers of people have died in short periods of time as a result of wars, disease and natural disasters. Once these have passed, it falls to the survivors to count the dead. This is never easy, but it is harder for some kinds of disaster than for others. It may be hardest of all for a pandemic, as Ole Benedictow acknowledged in his 2005 article, The Black Death: The Greatest Catastrophe Ever . Natural disasters tend to have a geographical focus and, as in most wars in history, the bulk of the action takes place in circumscribed ‘theatres’. By contrast, in a pandemic – an epidemic that encompasses several countries or continents – those who die do so over a large area, often