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Volume 24, Number 8—August 2018
Dispatch

Variation in Influenza B Virus Epidemiology by Lineage, China

Juan Yang12, Yiu Chung Lau1, Peng Wu1, Luzhao Feng, Xiling Wang, Tao Chen, Sheikh T. Ali, Zhibin Peng, Vicky J. Fang, Juanjuan Zhang, Yangni He, Eric H.Y. Lau, Ying Qin, Jing Yang, Jiandong Zheng, Hui Jiang, Hongjie Yu12Comments to Author , and Benjamin J. Cowling
Author affiliations: Chinese Center for Disease Control and Prevention, Beijing, China (Juan Yang, L. Feng, T. Chen, Z. Peng, Y. Qin, Jing Yang, J. Zheng, H. Jiang, H. Yu); Fudan University School of Public Health, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China (Juan Yang, X. Wang, J. Zhang, Y. He, H. Yu); The University of Hong Kong, Hong Kong, China (Y.C. Lau, P. Wu, S.T. Ali, V.J. Fang, E.H.Y. Lau, B.J. Cowling)

Main Article

Figure 2

Age-specific proportions of sentinel specimens collected from sentinel surveillance sites testing positive for influenza, China, October 2005–March 2016. A) Influenza B/Victoria and B/Yamagata lineages; B) influenza A(H1N1) and A(H3N2). Findings are based on 2,498,735 specimens collected from the sentinel hospitals. Dots indicate the original data, and lines (solid and dashed) show the estimation from a fitted smoothing function to the pattern by age.

Figure 2. Age-specific proportions of sentinel specimens collected from sentinel surveillance sites testing positive for influenza, China, October 2005–March 2016. A) Influenza B/Victoria and B/Yamagata lineages; B) influenza A(H1N1) and A(H3N2). Findings are based on 2,498,735 specimens collected from the sentinel hospitals. Dots indicate the original data, and lines (solid and dashed) show the estimation from a fitted smoothing function to the pattern by age.

Main Article

1These authors contributed equally to this article.

2Current affiliation: Fudan University School of Public Health, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China.

Page created: July 18, 2018
Page updated: July 18, 2018
Page reviewed: July 18, 2018
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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