鼠疫是原发于啮齿动物并能引起人、鼠间流行的自然疫源性疾病。在人类历史上曾经发生世界性大流行。随着科学的发展,50年代以来,人、鼠间鼠疫发生率已明显下降,鼠疫流行的可能性在逐渐缩小。目前,我国部分疫源地已达到基本控制和稳定控制标准,但还有部分疫源地每年都有散在发生。 Plague is a natural foci of disease originating in rodents and causing epidemics among humans and rats. There was a worldwide pandemic in human history. With the development of science, since the 1950s, the incidence of plague among people and mice has dropped markedly, and the possibility of epidemic of plague has been gradually reduced. At present, some of the epidemic areas in China have reached the standard of basic control and stability control, but some of the epidemic areas occur sporadically every year.