Human Infection with Influenza A(H7N9) Virus during 3 Major Epidemic Waves, China, 2013–2015
Peng Wu
1, Zhibin Peng
1, Vicky J. Fang, Luzhao Feng, Tim K. Tsang, Hui Jiang, Eric H.Y. Lau, Juan Yang, Jiandong Zheng, Ying Qin, Qiao Sun, Gabriel M. Leung, Sheng Wei
, and Benjamin J. Cowling
Author affiliations: World Health Organization Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China (P. Wu, V.J. Fang, T.K. Tsang, E.H.Y. Lau, G.M. Leung, B.J. Cowling); Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing, China (Z. Peng, L. Feng, H. Jiang, J. Yang, J. Zheng, Y. Qin, Z. Li, H. Yu)
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Figure 5
Figure 5. Time to event distributions of influenza A(H7N9) virus infections across different epidemic waves. A) Time from potential exposure to illness onset; B) time from illness onset to hospital admission; C) time from illness onset to laboratory confirmation; D) time from hospital admission to death; E) time from hospital admission to discharge. The periods covered by waves 1A, 1B, 2, and 3 are shown in Figure 1.
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