In February 2014, while investigating the source of a human infection with influenza A(H7N9) virus in northern China, we isolated subtypes H7N2 and H9N2 viruses from chickens on the patient's farm. Sequence analysis revealed that the H7N2 virus is a novel reassortant of H7N9 and H9N2 viruses. Continued surveillance is needed.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4193184PMC
http://dx.doi.org/10.3201/eid2010.140869DOI Listing

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