Relationships Between Meteorological Factors and Mongolian Gerbils and Its Flea Burdens—Xilingol League,Inner Mongolia Autonomous Region,China,2012–2021  

作　　者：Ke Li Zhenxu Wang Xiaohui Wei Haoqiang Ji Meng Shang Nan Chang Zihao Wang Chenran Guo Lei Xu Ning Zhao Qiyong Liu 

机构地区：[1]National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases,National Institute for Communicable Disease Control and Prevention,Chinese Center for Disease Control and Prevention,Beijing,China [2]School of Public Health,Nanjing Medical University,Nanjing City,Jiangsu Province,China [3]Cheeloo College of Medicine,Shandong University,School of Public Health,Jinan City,Shandong Province,China [4]Vanke School of Public Health,Tsinghua University,Beijing,China

出　　处：《China CDC weekly》2024年第23期547-552,I0012-I0018,共13页中国疾病预防控制中心周报（英文）

基　　金：Supported by the Key Program of National Natural Science Foundation of China(grant number 32090023).

摘　　要：Introduction:Plague is a significant global infectious disease,its spread is linked to host and flea populations.Meteorological conditions can impact flea populations and host densities,hence influencing plague outbreaks.Investigating the connection between meteorological factors,flea populations,and rodent densities in Inner Mongolia’s natural plague foci can aid in predicting and managing plague outbreaks.Methods:Monthly data on flea index,rodent density,meteorological factors,and normalized difference vegetation index(NDVI)were collected for the study area.Generalized additive modeling(GAM)was used to analyze the non-linear and lag effects of meteorological factors on flea index and rodent density.Structural equation modeling(SEM)was employed to investigate the relationships among meteorological factors,NDVI,flea index,and rodent density.Results:GAM analysis revealed that temperature,precipitation,relative humidity,and NDVI had significant linear,non-linear,and time-lagged impacts on the density of Mongolian gerbils and the flea index.SEM analysis indicated that meteorological factors could directly influence the density and flea index of Mongolian gerbils,or indirectly impact NDVI,subsequently influencing gerbil density and the flea index.Conclusions:Meteorological factors primarily influence gerbil density and flea index indirectly by affecting NDVI and the relationship between flea index and gerbil density.This study offers additional support for the significance of meteorological factors and NDVI in influencing the vector-rodent system,offering valuable insights for predicting and managing plague outbreaks.

关 键 词：METEOROLOGICAL offering humidity 

分 类 号：R516.8[医药卫生—内科学] R181.3[医药卫生—临床医学]