Reintroduction or European reservoir? - a key question for possible effects of 14th c. landscape history on the Black Death

A new article deals with the question of reintroductions of the Black Death from Asia and the role of reservoirs of Yersinia pestis in Europe. A database of historically recorded outbreaks of the plague is correlated with climate data from Central Asia as the main reservoir of the plague. As there is a correlation between climate change and outbreaks of the plague in Europe 15± 1 y, the authors see a mechanism starting with a situation, "when the climate subsequently becomes less favorable, i..