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Volume 17, Number 6—June 2011

Dispatch

Novel Reassortant Highly Pathogenic Avian Influenza (H5N5) Viruses in Domestic Ducks, China

Min Gu, Wenbo Liu, Yongzhong Cao, Daxin Peng, Xiaobo Wang, Hongquan Wan, Guo Zhao, Quangang Xu, Wei Zhang, Qingqing Song, Yanfang Li, and Xiufan LiuComments to Author 
Author affiliations: Author affiliation: Yangzhou University College of Veterinary Medicine, Yangzhou, People’s Republic of China

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Table 2

Influenza viruses with highest nucleotide identity to each gene of 008 and 031*

Gene segment Closest viruses in GenBank
Closest viruses isolated during surveillance, China, December 2008–January 2009
Strain Nucleotide identity, % Strain Nucleotide identity, %
PB2
008 A/duck/Guangxi/xa/2001 (H5N1)
96.0 108 100
031
95.9
909
99.8
PB1
008 A/duck/Hokkaido/Vac-1/04 (H5N1)
97.2 031 99.5
031
97.1
909
99.7
PA
008 A/chicken/Hunan/8/2008 (H5N1) 98.1 013 99.7
031
A/wild duck/Hunan/021/2005 (H5N1)
98.0
108
99.5
HA
008 A/wild duck/Hunan/211/2005 (H5N1)
97.7 108 99.9
031
97.8
008 and108
99.4
NP
008 A/chicken/Jilin/hk/2004 (H5N1)
96.1 108 99.8
031
96.5
108
99.6
NA
008 A/mallard/Switzerland/WV4060167/2006 (H3N5)
95.8
031 99.2
031
008
99.2
M
008 A/China/GD01/2006 (H5N1)
99.1
031 and 909 99.8
031
909
100
NS 008 A/wild duck/Hunan/021/2005 (H5N1) 97.9 108 99.5
031 98.2 909 99.9

*PB, polybasic protein; 008, A/duck/eastern China/008/2008(H5N5); 108, A/duck/eastern China/108/2008(H5N1); 031, A/duck/eastern China/031/2009(H5N5); 909, A/duck/eastern China/909/2009(H5N1); 013, A/duck/Yangzhou/013/2008(H6N5); PA, polymerase acidic protein; HA, hemagglutinin; NP, nucelocapsid protein; NA, neuraminidase; M, matrix protein; NS, nonstructural protein.

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