Forty Days: Quarantine and the Traveller, c. 1700 -1900 provides a timely reminder that no traveller in past centuries could return from the East without spending up to 40 days in a lazaretto to ensure that no symptoms of plague were developing. Quarantine was performed in virtual prisons ranging from mud huts in the Danube basin to a converted fort on Malta, evoking every emotion from hatred and hostility through to resignation and even contentment...