Monitoring Avian Influenza A(H7N9) Virus through National Influenza-like Illness Surveillance,China |
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| Authors: | Cuiling Xu Fiona Havers Lijie Wang Tao Chen Jinghong Shi Dayan Wang Jing Yang Lei Yang Marc-Alain Widdowson Yuelong Shu |
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| Institution: | Chinese Center for Disease Control and Prevention, Beijing, China (C. Xu, L. Wang, T. Chen, J. Shi, D. Wang, J. Yang, L. Yang, Y. Shu); ;US Centers for Disease Control and Prevention, Atlanta, Georgia, USA. (F. Havers, M.-A. Widdowson) |
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| Abstract: | In China during March 4–April 28, 2013, avian influenza A(H7N9) virus testing was performed on 20,739 specimens from patients with influenza-like illness in 10 provinces with confirmed human cases: 6 (0.03%) were positive, and increased numbers of unsubtypeable influenza-positive specimens were not seen. Careful monitoring and rapid characterization of influenza A(H7N9) and other influenza viruses remain critical. |
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| Keywords: | influenza avian influenza avian influenza A(H7N9) virus H7N9 subtype H7N9 China influenza-like illness surveillance viruses |
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