Low Pathogenic Avian Influenza A (H5N7) Virus Isolated from a Domestic Duck in Dongting Lake Wetland of China, 2016
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The avian influenza virus (AIV) H5N7 was first isolated from wild birds in North America in 2001 (Spackman et al. 2007), and information on only 25 strains of this virus has been deposited in the Global Initiative on Sharing All Influenza Data (GISAID-http://platform.gisaid.org/epi3/frontend#493de3) database until October 30, 2018. Twenty viruses were identified in the United States from 2001 to 2017, three viruses in Denmark in 2003, and two viruses in Mongolia in 2014 (GISAID-http://platform.gisaid.org/epi3/frontend#493de3). All these H5N7 viruses were low pathogenicity and were discovered in wild migratory birds.
Wild migratory birds serve as natural reservoir of AIVs and disseminate the viruses during long-distance migration. Wetlands are important for wild migratory birds as stopover for resting and breeding. In China, millions of domestic ducks are also raised near Dongting Lake Wetland Nature Reverse (Hunan Province Rural Social and Economic Investigation Team 2008)...
This work was funded by the National Science and Technology Major Project (2018ZX10101004), the Open Research Fund Program of Wuhan National Bio-Safety Level 4 Lab of CAS (NBL2017003), China Ministry of Science and Technology (MOST) Key Research and Development Program (2016YFC1200800), and the Shenzhen Science and Technology Research and Development Project (JCYJ20151029151932602). The funding sources had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Compliance with Ethical Standards
Conflict of interest
The authors declare that they have no conflicts of interest.
Animal and Human Rights Statement
This article does not contain any studies with human subjects performed by any of the authors. All studies involving animals were conducted according to the animal welfare guidelines of the World Organisation for Animal Health.
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