Following the first human infection with the influenza A (H10N8) virus in Nanchang, China in December 2013, we identified two additional patients on January 19 and February 9, 2014. The epidemiologic, clinical and virological data from the patients and the environmental specimen collected from 23 local live poultry markets (LPMs) were analyzed. The three H10N8 cases had a history of poultry exposure and presented with high fever (>38°C), rapidly progressive pneumonia and lymphopenia. Substantial high levels of cytokines and chemokines were observed. The sequences from an isolate (A/Environment/Jiangxi/03489/2013 [H10N8]) in an epidemiologically linked LPM showed highly identity with human H10N8 virus, evidencing LPM as the source of human infection. The HA and NA of human and environmental H10N8 isolates showed high identity (99.1–99.9%) while six genotypes with internal genes derived from H9N2, H7N3 and H7N9 subtype viruses were detected in environmental H10N8 isolates. The genotype of the virus causing human infection, Jiangxi/346, possessed a whole internal gene set of the A/Environment/Jiangxi/10618/2014(H9N2)-like virus. Thus, our findings support the notion that LPMs can act as both a gene pool for the generation of novel reassortants and a source for human infection and intensive surveillance and management should therefore be conducted.
Genetic Diversity of Avian Influenza A (H10N8) Virus in Live Poultry Markets and Its Association with Human Infections in China
Mingbin Liu,Xiaodan Li,Hui Yuan,Jian-fang Zhou,Jingwen Wu,H. Bo,W. Xia,Ying Xiong,Lei Yang,R. Gao,Jun-feng Guo,Wei-juan Huang,Ye Zhang,Xiang-rong Zhao,X. Zou,Tao Chen,Dayan Wang,Qun Li,Shiwen Wang,Shengen Chen,Maohong Hu,X. Ni,Tian Gong,Yonglin Shi,Jian-xiong Li,Jun Zhou,Jun Cai,Zuke Xiao,Wei Zhang,Jian Sun,De-xin Li,Guizhen Wu,Zijian Feng,Yu Wang,Haiying Chen,Y. Shu
Published 2015 in Scientific Reports
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- Publication year
2015
- Venue
Scientific Reports
- Publication date
2015-01-15
- Fields of study
Biology, Medicine, Environmental Science
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Semantic Scholar, PubMed
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