鼠疫是由鼠疫菌引起的一种古老的疾病,历史上它危害着世界各时期的人群。今天,在世界上的很多地区包括美国西部,鼠疫仍然是一重要的疾病。啮齿动物、兔形动物、人、野栖和家养的犬科动物及猫科动物以及其它动物的感染,都是由于染疫蚤类的叮咬。然而,当触摸、剥皮或吃染疫动物,通过血液接触,也能发生传染。虽然,对于人类,鼠疫的高发病率和死亡率,若干世纪以来,已有充分的文献证明。但是鼠疫对家养的动物健康的影响,仅 Plague is an ancient disease caused by Yersinia pestis and historically it harms populations in all parts of the world. Today, plague is still an important disease in many parts of the world, including the western United States. Rodents, rabbit animals, humans, wild and domestic canines and cats, as well as other animal infections, are all caused by infected bites of fleas. However, infection can also occur when touching, peeling or eating infected animals through blood contact. Although, for humanity, the high incidence and mortality of plague have been documented for centuries. But the impact of the plague on domestic animal health is only