| http://www.w3.org/ns/prov#value | - Modelling of epizootic plague observed in prairie dogs suggests that occasional reservoirs of infection such as an infectious carcass, rather than blocked fleas" are a better explanation for the observed epizootic behaviour of the disease in nature.An interesting hypothesis about the epidemiology???the appearance, spread and especially disappearance???of plague from Europe is that the flea-bearin
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