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Volume 23, Number 2—February 2017
Dispatch

Incidence of Norovirus-Associated Diarrhea, Shanghai, China, 2012–2013

Jianxing Yu1, Chuchu Ye1, Shengjie Lai1, Weiping Zhu, Zike Zhang, Qibin Geng, Caoyi Xue, Weizhong Yang, Shuyu Wu, Aron J. Hall, Qiao SunComments to Author , and Zhongjie LiComments to Author 
Author affiliations: Division of Infectious Disease, Key Laboratory of Surveillance and Early-Warning on Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing, China (J. Yu, S. Lai, Z. Zhang, Q. Geng, W. Yang, Z. Li); Ministry of Health Key Laboratory of Systems Biology of Pathogens and Dr. Christophe Mérieux Laboratory, CAMS-Fondation Mérieux, Institute of Pathogen Biology, Academy of Medical Sciences of China and Peking Union Medical College, Beijing (J. Yu); Research Base of Key Laboratory of Surveillance and Early-Warning on Infectious Disease, Pudong New Area Center for Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Shanghai, China (C. Ye, W. Zhu, C. Xue, Q. Sun); State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China (Z. Zhang); State Key Laboratory of Virology, Wuhan University College of Life Sciences, Wuhan, China (Q. Geng); Centers for Disease Control and Prevention, Beijing, China (S. Wu); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A.J. Hall)

Main Article

Table 1

Norovirus test results among diarrhea case-patients, by sex, surveillance year, and age group, Pudong New Area, Shanghai, China, 2012–2013

Variable Positive, no. (%) Negative, no. (%) p value
Total
 771 (100)
 3,106 (100)
Sex 0.278
M 426 (21) 1,646 (79)
F
 345 (19)
 1,460 (81)
Surveillance year 0.074
2012 422 (19) 1,813 (81)
2013
 349 (21)
 1,293 (79)
Age group <0.001
0–11 mo 30 (10) 277 (90)
12–23 mo 23 (16) 124 (84)
24–59 mo 28 (13) 184 (87)
5–24 y 69 (18) 306 (82)
25–44 y 268 (21) 1,028 (79)
45–64 y 263 (24) 828 (76)
>65 y 90 (20) 359 (80)

Main Article

1These authors contributed equally to this article.

Page created: January 17, 2017
Page updated: January 17, 2017
Page reviewed: January 17, 2017
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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