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  • Characterizing a large outbreak of dengue fever in Guangdong Province, China

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    Author(s)
    Xiao, Jian-Peng
    He, Jian-Feng
    Deng, Ai-Ping
    Lin, Hua-Liang
    Song, Tie
    Peng, Zhi-Qiang
    Wu, Xiao-Cheng
    Liu, Tao
    Li, Zhi-Hao
    Rutherford, Shannon
    Zeng, Wei-Lin
    Li, Xing
    Ma, Wen-Jun
    Zhang, Yong-Hui
    Griffith University Author(s)
    Rutherford, Shannon
    Year published
    2016
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    Abstract
    Background: Dengue cases have been reported each year for the past 25 years in Guangdong Province, China with a recorded historical peak in 2014. This study aims to describe the epidemiological characteristics of this large outbreak in order to better understand its epidemic factors and to inform control strategies. Methods: Data for clinically diagnosed and laboratory-confirmed dengue fever cases in 2014 were extracted from the China Notifiable Infectious Disease Reporting System. We analyzed the incidence and characteristics of imported and indigenous cases in terms of population, temporal and spatial distributions. Results: ...
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    Background: Dengue cases have been reported each year for the past 25 years in Guangdong Province, China with a recorded historical peak in 2014. This study aims to describe the epidemiological characteristics of this large outbreak in order to better understand its epidemic factors and to inform control strategies. Methods: Data for clinically diagnosed and laboratory-confirmed dengue fever cases in 2014 were extracted from the China Notifiable Infectious Disease Reporting System. We analyzed the incidence and characteristics of imported and indigenous cases in terms of population, temporal and spatial distributions. Results: A total of 45 224 dengue fever cases and 6 deaths were notified in Guangdong Province in 2014, with an incidence of 47.3 per 100 000 people. The elderly (65+ years) represented 11.7 % of total indigenous cases with the highest incidence (72.3 per 100 000). Household workers and the unemployed accounted for 23.1 % of indigenous cases. The majority of indigenous cases occurred in the 37th to 44th week of 2014 (September and October) and almost all (20 of 21) prefecture-level cities in Guangdong were affected. Compared to the non-Pearl River Delta Region, the Pearl River Delta Region accounted for the majority of dengue cases and reported cases earlier in 2014. Dengue virus serotypes 1 (DENV-1), 2 (DENV-2) and 3 (DENV-3) were detected and DENV-1 was predominant (88.4 %). Conclusions: Dengue fever is a serious public health problem and is emerging as a continuous threat in Guangdong Province. There is an urgent need to enhance dengue surveillance and control, especially for the high-risk populations in high-risk areas.
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    Journal Title
    Infectious Diseases of Poverty
    Volume
    5
    DOI
    https://doi.org/10.1186/s40249-016-0131-z
    Copyright Statement
    © 2016 Xiao et al. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/ zero/1.0/) applies to the data made available in this article, unless otherwise stated.
    Subject
    Clinical sciences not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/143167
    Collection
    • Journal articles

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