The modes of transmission of Yersinia pestis are the subject of increasingly sophisticated biological and epidemiological studies, based not only on the current clinical picture but also on retrospective modeling of past sources. Yet the virulence of the medieval epidemic remains difficult to understand using such models. The lecture suggests alternative hypotheses on the possibility of human-to-human contagion and the persistence of plague foci in Europe, taking into account the environmental dimension of a global but discontinuous account of the epidemic.
11:00 - 12:00