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Epidemiological Characteristics of Plague in the Meriones unguiculatus Plague Focus--Inner Mongolia Autonomous Region,China,1950−2019

作     者:Boxi Liu Dayu Zhang Yuhuang Chen Zhaokai He Jun Liu Dongyue Lyu Weiwei Wu Ran Duan Shuai Qin Junrong Liang Huaiqi Jing Xin Wang 

作者机构:The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and PreventionHuhhotInner MongoliaChina Shenzhen Nanshan Maternity and Child Healthcare HospitalShenzhenGuangdongChina State Key Laboratory of Infectious Disease Prevention and ControlNational Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina 

出 版 物:《China CDC weekly》 (中国疾病预防控制中心周报(英文))

年 卷 期:2020年第2卷第49期

页      面:935-945页

核心收录:

学科分类:1004[医学-公共卫生与预防医学(可授医学、理学学位)] 100401[医学-流行病与卫生统计学] 10[医学] 

基  金:supported by National Major Science and Technology Projects of China(2018ZX10713-003-002 2018ZX10713-001-002) 

主  题:prevention annually Region 

摘      要:From 1950 to 2019,a total of 267 plague cases in humans were reported in the Inner Mongolia Autonomous Region with 133 deaths and 10,710 Yersinia pestis isolates;21 of these cases were reported from the Meriones unguiculatus(***)plague focus with 6 deaths and 6,771 *** to the plague situation in the Inner Mongolia Autonomous Region and the implementation of local preventive measures,the prevalence of plague in humans in the *** plague focus of the Inner Mongolia Autonomous Region could be divided into four *** first stage was the initial stage of plague prevention and control(1950–1959),with 0.80 cases annually and a case fatality rate of 37.50%.The second stage was the plague eradication stage(1960–1979),with 0.15 cases annually and a case fatality rate of 33.33%.The third stage was the plague surveillance stage(1980-1999),with 0.25 cases annually and a case fatality rate of 20.00%.The fourth stage is the comprehensive prevention and control stage under the emergency system(2000-2019),with 0.25 cases annually and a case fatality rate of 20.00%.The surveillance of rodent density(1981-2019)and studies on plague-related factors among *** have shown that the higher the *** density,the higher the nocturnal rodent capture rate(r=0.670,p0.05)and the higher the indirect hemagglutination assay(IHA)positive rate of ***(r=0.344,p0.05);the higher the percentage of hosts infected,the lower the *** density(r=-0.361,p0.05)and the lower the IHA positive rate of ***(r=-0.337,p0.05);the higher the percentage of nests infected with fleas,the lower the IHA positive rate of ***(r=-0.348,p0.05).Together,these results suggest that it is necessary to simultaneously monitor the pathogens,serology,and vector index of *** to accurately reflect the plague prevalence among local *** bubonic plague is the main plague type of the *** plague focus,s

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