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Emergence of novel reassortant H3N2 influenza viruses among ducks in China

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Abstract

During 2006-2009 influenza virus surveillance, three H3N2 viruses were isolated from ducks in Central China. Sequence and phylogenetic analyses revealed that most segments of these three isolates had high identity with H3N2 swine isolates in South China. However, for M, the three viruses, along with H1N1 swine isolates of North America, formed a cluster; for PB2, two of these isolates fell into the cluster of the H5N1 duck isolates, indicating a reassortment among H3N2, H1N1 swine viruses and H5N1 avian virus. The emergence of H3N2 virus with incorporation of an H5N1 virus gene raises new concerns about the generation of novel viruses that could affect humans.

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Acknowledgments

The study was supported by China National Basic Research Program (China “973” Program 2011CB505004 & 2010CB534002), National Natural Science Foundation of China (no. 31072154 & 30800832), and China National Science and Technology Major Projects (no. 2008ZX10004-013 and 2009ZX10004-109), the National Transgenic Major Program (2009ZX08009-141B).

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Authors and Affiliations

  1. State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Shizishan Street, Hongshan district, Wuhan, 430070, P.R. China

    Hongbo Zhou, Anding Zhang, Huanchun Chen & Meilin Jin

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  1. Hongbo Zhou
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  2. Anding Zhang
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  3. Huanchun Chen
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  4. Meilin Jin
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Correspondence to Meilin Jin.

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Zhou, H., Zhang, A., Chen, H. et al. Emergence of novel reassortant H3N2 influenza viruses among ducks in China. Arch Virol 156, 1045–1048 (2011). https://doi.org/10.1007/s00705-011-0940-0

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  • DOI: https://doi.org/10.1007/s00705-011-0940-0

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