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 Liu
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.
