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Title: Novel H5N8 clade 2.3.4.4 highly pathogenic avian influenza virus in wild awuatic birds, Russia, 2016

Author
item LEE, DONG-HUN - Orise Fellow
item SHARSHOV, KIRILL - Federal State Budgetary Scientific Institution "research Institute Of Experimental And Clinical Med
item Swayne, David
item KURSKAYA, OLGA - Federal State Budgetary Scientific Institution "research Institute Of Experimental And Clinical Med
item SOBOLEV, IVAN - Federal State Budgetary Scientific Institution "research Institute Of Experimental And Clinical Med
item KABILOV, MARSEL - Russian Academy Of Sciences
item ALEKSEEV, ALEXANDER - Federal State Budgetary Scientific Institution "research Institute Of Experimental And Clinical Med
item IRZA, VICTOR - Federal Center For Animal Health
item SHESTOPALOV, ALEXANDER - Federal State Budgetary Scientific Institution "research Institute Of Experimental And Clinical Med

Submitted to: Emerging Infectious Diseases
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 10/25/2016
Publication Date: 3/1/2017
Citation: Lee, D., Sharshov, K., Swayne, D.E., Kurskaya, O., Sobolev, I., Kabilov, M., Alekseev, A., Irza, V., Shestopalov, A. 2017. Novel H5N8 clade 2.3.4.4 highly pathogenic avian influenza virus in wild awuatic birds, Russia, 2016. Emerging Infectious Diseases. 23(2):358-360. doi: 10.3201/eid2302.161252.

Interpretive Summary: We report the detection of novel reassortant H5N8 high pathogenicity avian influenza virus (HPAIV) from wild water birds in Siberia during June 2016. Since this area comprises important wild aquatic bird migration routes, the re-emergence of a novel virus in wild birds is of concern for disseminatoon of novel reassortant virus during the coming fall migration.

Technical Abstract: H5N1 high pathogenicity avian influenza virus (HPAIV) emerged in 1996 in Guangdong China (Gs/GD) and has evolved into multiple genetic clades. Since 2008, HPAIV H5 clade 2.3.4 with N2, N5 and N8 neuraminidase subtypes have been identified in mainland China and outbreak of HPAIV H5N8 clade 2.3.4.4 outside China was reported for the first time in South Korea in January 2014. During this outbreak, two distinct H5N8 groups were identified, Groups A (Buan-like) and B (Gochang-like) viruses. Group A viruses predominated in South Korea and Japan then subsequently spread to various countries of Asia, Europe and North America in late 2014 along migratory bird pathways. We report the reoccurrence of novel H5N8 clade 2.3.4.4 high pathogenicity avian influenza viruses and their reassortment with low pathogenicity avian influenza viruses is reported in waterfowl and shorebirds of Siberia, June 2016. The emergence of novel viruses in migratory birds is of concern for dissemination during the coming fall migration.