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Volume 21, Number 5—May 2015
Dispatch

Transmission Potential of Influenza A(H7N9) Virus, China, 2013–2014

Adam J. Kucharski1Comments to Author , Harriet L. Mills1, Christl A. Donnelly, and Steven Riley
Author affiliations: London School of Hygiene and Tropical Medicine, London, UK (A.J. Kucharski); National Institutes of Health, Bethesda, Maryland, USA (A.J. Kucharski); Imperial College London, London (A.J. Kucharski, H.L. Mills, C.A. Donnelly, S. Riley)

Main Article

Figure 1

Spatial and temporal distribution of reported cases of influenza A(H7N9) virus infection among humans, China, 2013–2014. Onset of the first case in wave 1 was February 19, 2013 (although the case was not reported until the end of March 2013); onset of the last case in wave 1 was July 27, 2013; only 4 cases occurred in May–July 2013. Onset of the first case in wave 2 was October 7; onset of the last case in our time series was April 17, 2014. A) Case onset reports across all regions. Colors indic

Figure 1. Spatial and temporal distribution of reported cases of influenza A(H7N9) virus infection among humans, China, 2013–2014. Onset of the first case in wave 1 was February 19, 2013 (although the case was not reported until the end of March 2013); onset of the last case in wave 1 was July 27, 2013; only 4 cases occurred in May–July 2013. Onset of the first case in wave 2 was October 7; onset of the last case in our time series was April 17, 2014. A) Case onset reports across all regions. Colors indicate the 4 largest geographic clusters; black indicates all other cases. B) Spatial pattern of reported cases. Points show geodesic distance between the first reported case of influenza A(H7N9) virus infection (in Shanghai) and location of each subsequent reported case. Cases are colored by region as in panel A.

Main Article

1These authors contributed equally to this article.

Page created: April 17, 2015
Page updated: April 17, 2015
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