Suttie, Annika, Karlsson, Erik A., Deng, Yi-Mo, Horm, Srey Viseth, Yann, Sokhoun, Tok, Songha, Sorn, San, Holl, Davun, Tum, Sothyra, Hurt, Aeron C., Greenhill, Andrew R., Barr, Ian G., Horwood, Paul F., and Dussart, Philippe (2018) Influenza A(H5N1) viruses with A(H9N2) single gene (matrix or PB1) reassortment isolated from Cambodian live bird markets. Virology, 523. pp. 22-26.

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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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