Abstract: Objective To explore the epidemic factors of animal plague in Hebei province, China, and provide scientific basis for the prevention and control of plague. Methods The materials were collected and rodents were tested by "four step test" of plague, and the fleas were tested by group method or single stomach pulling method. Results A total of 240 358 rodents were tested, and 123 positive plague materials were found. Five of 14 856 vectors tested positive for Yersinia pestis. There were 7 animal plague prevalent years in Hebei province. Conclusion The prevalence of animal plague epidemic occurred intermittently in plague natural foci of Hebei province, the main change of hosts was a primary cause of animal plague, especially the gerbil density in animal plague epidemic years.

Key words: Animal plague, Epidemiological characteristics, Hebei province

摘要： 目的 调查河北省动物鼠疫流行因素，为鼠疫防控提供科学依据。方法 收集河北省1950－2013年鼠疫监测资料。采用鼠疫四步检验法检验啮齿类动物；采用集组法或单只拉胃法检验蚤类。结果 共检测啮齿类动物240 358只，发现鼠疫阳性材料123份；检测媒介蚤14 856匹，鼠疫耶尔森菌阳性材料5份；河北省共有7个动物鼠疫流行年份。结论 河北省鼠疫自然疫源地动物间鼠疫呈间歇性流行，主要宿主动物变迁是发生动物间鼠疫的主要因素，长爪沙鼠密度在动物鼠疫流行年前后均有上升，应引起注意。

关键词: 动物鼠疫, 流行特征, 河北省