Chines Journal of Vector Biology and Control ›› 2019, Vol. 30 ›› Issue (4): 442-443.DOI: 10.11853/j.issn.1003.8280.2019.04.020

• Investigation • Previous Articles     Next Articles

A study of the correlation between plague epidemics among animals and the density of their hosts

DU Guo-yi, YAN Dong   

  1. Anti-plague Institute of Hebei Province, Zhangjiakou 075000, Hebei Province, China
  • Received:2019-04-18 Online:2019-08-20 Published:2019-08-20
  • Supported by:
    Supported by the Key Medical Projects of Hebei Province (No. 20180955) and National Key Research and Development Program of China (No. 2016YFC1201304-01)

动物间鼠疫流行与主要宿主密度相关性研究

杜国义, 闫东   

  1. 河北省鼠疫防治所, 河北 张家口 075000
  • 作者简介:杜国义,男,主任医师,从事鼠疫防治工作,Email:530258017@qq.com
  • 基金资助:
    2018年河北省医学重点项目(20180995);国家重点研发计划(2016YFC1201304-01)

Abstract: Objective To investigate the relationship between plague epidemics among animals and the density of their main hosts in natural plague foci. Methods An analysis was conducted on the surveillance data of plagues in Kangbao Pasture in Kangbao county, Hebei province, China, from 1968 to 2018. An epidemic unit of 5 years was defined as 1 to 2 years during a plague epidemic and 3 to 4 years prior to the plague epidemic. Comparisons were carried out for the difference between the average density of main host animals and the overall average density in each epidemic unit. Results The density of main host animals in three epidemic units were 1.37, 1.33, and 1.60 animals/hm2, respectively, which were significantly higher than the average density (0.92 animal/hm2) in the three epidemic units. Conclusion The risk of plague epidemics among animals increases with the density of main host animals.

Key words: Plague among animals, Host animal, Correlation, Density

摘要: 目的 探讨鼠疫自然疫源地动物间鼠疫流行与主要宿主密度的关系。方法 分析1968-2018年河北省康保县康保牧场鼠疫监测数据,将鼠疫自然疫源地动物间鼠疫流行年份1~2年以及流行前3~4年共5年定义为1个流行单元,比较流行单元内主要宿主动物平均密度与总平均密度的差别。结果 3次流行单元内主要宿主动物密度分别为1.37、1.33和1.60只/hm2,明显高于总平均密度(0.92只/hm2)。结论 动物间鼠疫的流行随着主要宿主密度升高发生鼠疫的危险性增大。

关键词: 动物间鼠疫, 主要宿主, 相关性, 密度

CLC Number: