An analysis of epidemiological characteristics of imported dengue fever cases from Myanmar in Yunnan province， China， 2005-2019

LUN Xin-chang, YANG Rui, WU Hai-xia, WANG Jun, LIU Qi-yong, MENG Feng-xia

doi:10.11853/j.issn.1003.8280.2022.01.020

Chinese Journal of Vector Biology and Control >

2022 , Vol. 33 >Issue 1: 108 - 113

DOI: https://doi.org/10.11853/j.issn.1003.8280.2022.01.020

Vector Infectious Disease

An analysis of epidemiological characteristics of imported dengue fever cases from Myanmar in Yunnan province， China， 2005-2019

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1. State Key Laboratory of Infectious Disease Prevention and Control, WHO Collaborating Centre for Vector Surveillance and Management, Department of Vector Biology and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China;
2. Yunnan Institute of Parasitic Diseases Control, Pu'er, Yunnan 665000, China

Received date: 2021-07-28

Online published: 2022-02-17

Supported by

National Science and Technology Major Project of China (No. 2018ZX10101002-002)

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Abstract

Objective To investigate the epidemiological characteristics of transborder imported dengue fever cases in Yunnan province, China, and to provide guidance for the prevention and control of transborder imported dengue fever cases in Yunnan province. Methods Data of imported dengue fever cases in Yunnan province were obtained from the Infectious Disease Report Information Management System of China Information System for Disease Control and Prevention; Excel 2016 software was used for data collation and plotting; SPSS 19.0 software was used for statistical analysis and processing of the data; ArcGIS 10.5 software was used to plot the geographical distribution of imported dengue fever cases. Results From 2005 to 2019, there were 4 660 transborder imported dengue fever cases in Yunnan province, of which Southeast Asia cases accounted for 98.99% (4 613/4 660) and Myanmar’s cases accounted for 86.06% (3 970/4 613) of the total number of imported cases from Southeast Asia. Among the imported cases from Myanmar, the number of dengue fever cases imported into Dehong Dai and Jingpo Autonomous Prefecture accounted for 62.04% (2 463/3 970), and the cases imported in October as the peak month accounted for 35.49% (1 409/3 970). Among the imported cases from Myanmar, there were slightly more males than females, with a male-to-female sex ratio of 1.19:1; 21-30-year-old cases had the largest proportion among all age groups, accounting for 27.71% (1 100/3 970); farmers and business service providers were the main occupations, accounting for 42.95% (1 705/3 970) and 21.49% (853/3 970), respectively. Conclusion The risk of imported dengue fever in the border areas of Yunnan province is relatively high. It is recommended to reinforce joint prevention and control, strengthen the education on prevention and control of dengue fever for key groups of local residents and enhance the surveillance of imported dengue fever cases as well as the surveillance and control of Aedes vectors in key areas.

Key words： Yunnan province; Myanmar; Dengue fever; Imported case

Cite this article

LUN Xin-chang, YANG Rui, WU Hai-xia, WANG Jun, LIU Qi-yong, MENG Feng-xia . An analysis of epidemiological characteristics of imported dengue fever cases from Myanmar in Yunnan province， China， 2005-2019[J]. Chinese Journal of Vector Biology and Control, 2022 , 33(1) : 108 -113 . DOI: 10.11853/j.issn.1003.8280.2022.01.020

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