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Volume 16, Number 7—July 2010


Novel Swine Influenza Virus Reassortants in Pigs, China

Yuhai Bi1, Guanghua Fu1, Jing Chen1, Jinshan Peng, Yipeng Sun, Jingjing Wang, Juan Pu, Yi Zhang, Huijie Gao, Guangpeng Ma, Fulin Tian, Ian H. Brown, and Jinhua LiuComments to Author 
Author affiliations: China Agricultural University, Beijing, People’s Republic of China (Y. Bi, G. Fu, J. Chen, J. Peng, Y. Sun, J. Wang, J. Pu, Y. Zhang, H. Gao, J. Liu); Shandong Animal Disease Control Center, Jinan, People’s Republic of China (J. Chen, F. Tian, J. Liu); Veterinary Laboratories Agency–Weybridge, Addlestone, Surrey, UK (I.H. Brown); China Rural Technology Development Center, Beijing (G. Ma); and Chongwen Animal Health Inspection Institute, Beijing (J. Peng)

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Genetic origin of swine influenza viruses*

Isolate Gene
Swine/GD/7/2006 (H3N2) R-H R-H A-H5 R-H R-H R-H R-H R-H
Swine/SD/106/2007 (H3N2) H-H1 A-H9 A-H9 R-H A-H9 A-H9 H-H1 A-H9
Swine/SD/133/2007 (H3N2) H-H1 A-H9 A-H9 R-H A-H9 A-H9 H-H1 A-H9
Swine/FJ/43/2007 (H3N2) A-H9 A-H9 R-H R-H A-H9 A-H9 R-H S-A
Swine/GD/211/2006 (H3N2) H-75 H-75 H-75 H-75 H-75 H-75 C H-75
Swine/GD/223/2006 (H3N2) H-75 H-75 H-75 H-75 H-75 H-75 C H-75
Swine/GD/423/2006 (H3N2) H-75 H-75 H-75 H-75 H-75 H-75 C H-75
Swine/GD/811/2006 (H3N2) H-75 H-75 H-75 H-75 H-75 A-H9 C H-75
Swine/GD/968/2006 (H3N2) H-75 H-75 A-H9 H-75 H-75 H-75 C H-75
Swine/GD/1222/2006 (H1N2) A-A R-H A-A C C R-H C C
Swine/GD/611/2006 (H1N1) C C C C C C C C
Swine/GD/322/2006 (H1N1) C C C C C C C C
Swine/GD/33/2006 (H1N1) C C C C C C C C
Swine/GD/446/2006 (H1N1) C C C C C C C C
Swine/GD/109/2006 (H1N1) C C C C C C C C
Swine/GD/628/2006 (H1N1) C C C C C C C C
Swine/SD/327/2009 (H1N1) S-A S-A S-A S-A S-A S-A S-A S-A
Swine/SD/101/2008 (H1N1) S-A S-A S-A S-A S-A S-A S-A S-A
Swine/SD/275/2009 (H1N1) S-A A-H9 S-A S-A S-A S-A S-A S-A

*PB, polymerase basic protein; PA, polymerase acidic protein; HA, hemagglutinin; NP, nucleocapsid protein; NA, neuraminidase; M, matrix; NS, nonstructural; GD, Guangdong; R-H, recent human-like (H3N2); A-H5, Eurasian avian (H5N1); SD, Shandong; H-H1, human-like (H1N1); A-H9, Eurasian avian (H9N2); FJ, Fujian; S-A, European avian-like swine; H-75, intermediate human-like (H3N2) (A/Victoria/75-like); C, classical swine; A-A, American avian.

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1These authors contributed equally to this article.

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