Plague Correspondence, Rumour, and Mistrust in the Late Medieval Crown of Aragon

Abstract Starting in the fifteenth century, European city governments began to respond to the threat of plague by introducing quarantine measures, which presumed that risk arrived in the bodies and goods of travellers. The adoption of quarantine was long considered a milestone on the road to modern, rational public health and was linked to increased centralization and the rise of state power in the early modern period. Recent quarantine scholarship, however, is revealing a more contingent story. This paper uses surviving plague correspondence between the governments of Barcelona, Valencia, and Ciutat de Mallorca (now Palma) to uncover the chaotic practice of early quarantine in the late medieval Crown of Aragon. All three cities adopted quarantine in the later fifteenth century, but all of them also obscured their own health statuses and distrusted one another’s information about plague. Municipalities in the Crown of Aragon embraced quarantine during this period even as their correspondence thwarted cooperative plague control. The exigencies of quarantine demanded plague information in the form of fama (rumour or reputation), often linked to the behaviour of elites.