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Influenza A(H5N1) viruses with A(H9N2) single gene (matrix or PB1) reassortment isolated from Cambodian live bird markets

Abstract : Live bird market surveillance for avian influenza viruses in Cambodia in 2015 has led to the detection of two 7:1 reassortant influenza A(H5N1) clade 2.3.2.1c viruses. These reassortant strains, designated A/duck/Cambodia/ Z564W35M1/2015 and A/chicken/Cambodia/Z850W49M1/2015, both contained a single gene (PB1 and matrix gene, respectively) from concurrently circulating A(H9N2) influenza viruses. All other viral genes from both isolates clustered with A(H5N1) clade 2.3.2.1 viruses. Continued and prolonged co-circulation of influenza A(H5N1) and A(H9N2) viruses in Cambodian live bird markets may present a risk for the emergence of novel influenza reassortant viruses with negative agricultural and/or public health implications.
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https://hal-riip.archives-ouvertes.fr/pasteur-03214742
Contributor : Philippe Dussart <>
Submitted on : Sunday, May 2, 2021 - 6:45:58 PM
Last modification on : Tuesday, June 22, 2021 - 10:48:28 AM

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Annika Suttie, Erik Karlsson, Yi-Mo Deng, Srey Viseth Horm, Sokhoun Yann, et al.. Influenza A(H5N1) viruses with A(H9N2) single gene (matrix or PB1) reassortment isolated from Cambodian live bird markets. Virology, Elsevier, 2018, 523, pp.22 - 26. ⟨10.1016/j.virol.2018.07.028⟩. ⟨pasteur-03214742⟩

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