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Volume 18, Number 5—May 2012

Research

Transmission Dynamics, Border Entry Screening, and School Holidays during the 2009 Influenza A (H1N1) Pandemic, China

Hongjie Yu1, Simon Cauchemez1, Christl A. Donnelly, Lei Zhou, Luzhao Feng, Nijuan Xiang, Jiandong Zheng, Min Ye, Yang Huai, Qiaohong Liao, Zhibin Peng, Yunxia Feng, Hui Jiang, Weizhong Yang, Yu Wang, Neil M. FergusonComments to Author , and Zijian Feng
Author affiliations: Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China (H. Yu, L. Zhou, L. Feng, N. Xiang, J. Zheng, M. Ye, Y. Huai, Q. Liao, Z. Peng, Y. Feng, H. Jiang, W. Yang, Y. Wang, Z. Feng); Imperial College London, London, United Kingdom (S. Cauchemez, C.A. Donnelly, N.M. Ferguson)

Main Article

Figure 1

Confirmed cases of influenza A(H1N1)pdm09 virus infection, People’s Republic of China, 2009. A) Number and proportion of confirmed A(H1N1)pdm09 cases by type (international travel–related cases, nonoutbreak cases, outbreak cases). B) Age distribution of patients with confirmed cases of A(H1N1)pdm09 infection gathered from different data sets. C, D) Number of confirmed A(H1N1)pdm09 cases by date of illness onset during May–August 2009 (C) and May–November 2009 (D) from case-based surveillance and

Figure 1. . Confirmed cases of influenza A(H1N1)pdm09 virus infection, People’s Republic of China, 2009. A) Number and proportion of confirmed A(H1N1)pdm09 cases by type (international travel–related cases, nonoutbreak cases, outbreak cases). B) Age distribution of patients with confirmed cases of A(H1N1)pdm09 infection gathered from different data sets. C, D) Number of confirmed A(H1N1)pdm09 cases by date of illness onset during May–August 2009 (C) and May–November 2009 (D) from case-based surveillance and outbreak investigations.

Main Article

1These authors contributed equally to this article.

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