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Analysis of epidemiology characteristics of norovirus among diarrheal outpatients in 27 provinces in China, 2009-2013

Analysis of epidemiology characteristics of norovirus among diarrheal outpatients in 27 provinces in China, 2009-2013
Analysis of epidemiology characteristics of norovirus among diarrheal outpatients in 27 provinces in China, 2009-2013
Objective: to investigate the epidemiology characteristics of norovirus among diarrheal outpatients in China.

Methods: diarrhea cases were monitored at emergency/outpatient departments at 173 hospitals in 27 provinces of China,with clinical and epidemiological data,and fecal specimens collected and sent to 58 network-laboratories to detect norovirus by RT-PCR method,and to analyze the positive rate of norovirus in various regions,population and time during 2009-2013.

Results: 11.6? of the 34 031 diarrheal cases under surveillance were found with norovirus.Age group of 6-23 month-old children and that of people over 45 years old were found with the highest positive percentage,13.7? and 12.4? respectively.Positive percentage of norovirus peaks in autumn and winter in a year; it peaks in mid-temperate zones (10.7?) and warm-temperate zones (11.6?) in winter.It peaks in sub-tropical zones in autumn (14.3?).The most prevalent genogroups detected were norovirus G ?,accounting for 89.9? of identified strains.

Conclusion: norovirus affects all ages and was most prevalent in children and the elderly among diarrhea outpatients.Norovirus' positive percentage showed strong seasonal pattern,and peaks at different times of a year in different climate zones of China.Since no effective preventive measures existed,further study on norovirus epidemiology and intervention strategies should be conducted in future
0254-6450
199-205
Yu, Jianxing
992198dd-6055-4905-ab28-11ced790c57c
Lai, Shengjie
b57a5fe8-cfb6-4fa7-b414-a98bb891b001
Wang, Xin
f82c793a-e84e-488d-ae40-002c1ad1aa3d
Liao, Qiaohong
8fa88aa8-8b17-47a4-92b4-7f231beb7b8b
Feng, Luzhao
5842cd78-bfa7-40d1-ae76-92ca4bf70c4d
Ran, Lu
c57057b5-d8cb-49c3-83c4-f91fd7b10e2d
Xu, Wenbo
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Qiu, Yanzi
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Zhang, Zike
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Li, Mengfeng
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Wu, Jianguo
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Liu, Wei
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Yan, Zhenghong
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Chen, Yu
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Zhao, Shiwen
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Wang, Xinhua
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Zhao, Zhuo
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Yu, Hongjie
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Jing, Huaiqi
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Li, Zhongjie
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Yang, Weizhong
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Yu, Jianxing
992198dd-6055-4905-ab28-11ced790c57c
Lai, Shengjie
b57a5fe8-cfb6-4fa7-b414-a98bb891b001
Wang, Xin
f82c793a-e84e-488d-ae40-002c1ad1aa3d
Liao, Qiaohong
8fa88aa8-8b17-47a4-92b4-7f231beb7b8b
Feng, Luzhao
5842cd78-bfa7-40d1-ae76-92ca4bf70c4d
Ran, Lu
c57057b5-d8cb-49c3-83c4-f91fd7b10e2d
Xu, Wenbo
0a61a899-231f-474c-aca6-74abc96d5cbc
Qiu, Yanzi
0177337d-54bb-4fdc-a411-b2ff6e04ff84
Zhang, Zike
85c05276-59dd-4033-82c9-4d33e872906b
Li, Mengfeng
e2037ad9-9772-45a8-9c63-bc7a38b7c0ad
Wu, Jianguo
ac62a636-3c48-4a39-8eb2-04156a2b4409
Liu, Wei
a14d7956-a55e-4e3c-aa61-2d368c7498a1
Yan, Zhenghong
df655fdb-da98-4263-a98f-2b8eac9c5c48
Chen, Yu
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Zhao, Shiwen
c1a21339-eeea-4fa3-aded-2eac10520ca0
Wang, Xinhua
d2e09ebe-cb08-4c18-9aec-30eb795801e4
Zhao, Zhuo
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Yu, Hongjie
f6a43c0c-0da8-4124-bd15-cd832d6fee7c
Jing, Huaiqi
58ab0211-3a7f-41a6-9dd1-8763f3228ee4
Li, Zhongjie
f89a98f7-f6d3-4312-995a-bc658ae9a93f
Yang, Weizhong
65d18fbc-d752-42a7-ac38-01534ceda15c

Yu, Jianxing, Lai, Shengjie, Wang, Xin, Liao, Qiaohong, Feng, Luzhao, Ran, Lu, Xu, Wenbo, Qiu, Yanzi, Zhang, Zike, Li, Mengfeng, Wu, Jianguo, Liu, Wei, Yan, Zhenghong, Chen, Yu, Zhao, Shiwen, Wang, Xinhua, Zhao, Zhuo, Yu, Hongjie, Jing, Huaiqi, Li, Zhongjie and Yang, Weizhong (2015) Analysis of epidemiology characteristics of norovirus among diarrheal outpatients in 27 provinces in China, 2009-2013. Chinese Journal of Epidemiology, 36 (3), 199-205. (doi:10.3760/cma.j.issn.0254-6450.2015.03.003).

Record type: Article

Abstract

Objective: to investigate the epidemiology characteristics of norovirus among diarrheal outpatients in China.

Methods: diarrhea cases were monitored at emergency/outpatient departments at 173 hospitals in 27 provinces of China,with clinical and epidemiological data,and fecal specimens collected and sent to 58 network-laboratories to detect norovirus by RT-PCR method,and to analyze the positive rate of norovirus in various regions,population and time during 2009-2013.

Results: 11.6? of the 34 031 diarrheal cases under surveillance were found with norovirus.Age group of 6-23 month-old children and that of people over 45 years old were found with the highest positive percentage,13.7? and 12.4? respectively.Positive percentage of norovirus peaks in autumn and winter in a year; it peaks in mid-temperate zones (10.7?) and warm-temperate zones (11.6?) in winter.It peaks in sub-tropical zones in autumn (14.3?).The most prevalent genogroups detected were norovirus G ?,accounting for 89.9? of identified strains.

Conclusion: norovirus affects all ages and was most prevalent in children and the elderly among diarrhea outpatients.Norovirus' positive percentage showed strong seasonal pattern,and peaks at different times of a year in different climate zones of China.Since no effective preventive measures existed,further study on norovirus epidemiology and intervention strategies should be conducted in future

Text 2009-2013年中国27省(市、自治区)门诊腹泻病例诺如病毒流行特征分析.pdf - Version of Record
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Published date: March 2015
Organisations: WorldPop, Population, Health & Wellbeing (PHeW)

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Local EPrints ID: 376728
URI: https://eprints.soton.ac.uk/id/eprint/376728
ISSN: 0254-6450
PURE UUID: 5a827a9e-6572-4448-8154-ba338368c3cb

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Date deposited: 08 May 2015 10:29
Last modified: 19 Apr 2018 16:32

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Contributors

Author: Jianxing Yu
Author: Shengjie Lai
Author: Xin Wang
Author: Qiaohong Liao
Author: Luzhao Feng
Author: Lu Ran
Author: Wenbo Xu
Author: Yanzi Qiu
Author: Zike Zhang
Author: Mengfeng Li
Author: Jianguo Wu
Author: Wei Liu
Author: Zhenghong Yan
Author: Yu Chen
Author: Shiwen Zhao
Author: Xinhua Wang
Author: Zhuo Zhao
Author: Hongjie Yu
Author: Huaiqi Jing
Author: Zhongjie Li
Author: Weizhong Yang

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