Sudden increase in human infection with avian influenza A(H7N9) virus in China, September-December 2016

• Main Authors: Lei Zhou (Author), Ruiqi Ren (Author), Lei Yang (Author), Changjun Bao (Author), Jiabing Wu (Author), Dayan Wang (Author), Chao Li (Author), Nijuan Xiang (Author), Yali Wang (Author), Dan Li (Author), Haitian Sui (Author), Yuelong Shu (Author), Zijian Feng (Author), Qun Li (Author), Daxin Ni (Author)
• Format: Book
• Published: World Health Organization Regional Office for the Western Pacific, 2017-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Since the first outbreak of avian influenza A(H7N9) virus in humans was identified in 2013, there have been five seasonal epidemics observed in China. An earlier start and a steep increase in the number of humans infected with H7N9 virus was observed between September and December 2016, raising grea...