Continued circulation of reassortant H1N2 influenza viruses in pigs in Japan

被引:61
|
作者
Ito, T [1 ]
Kawaoka, Y
Vines, A
Ishikawa, H
Asai, T
Kida, H
机构
[1] Tottori Univ, Fac Agr, Dept Vet Publ Hlth, Tottori 6800945, Japan
[2] St Jude Childrens Res Hosp, Dept Virol & Mol Biol, Memphis, TN 38105 USA
[3] Univ Tennessee, Dept Pathol, Memphis, TN USA
[4] Kanagawa Lab Anim Hlth, Kanagawa, Japan
[5] Zen Noh Inst Feed & Livestock Res, Sakura, Ciba, Japan
[6] Hokkaido Univ, Grad Sch Vet Med, Dept Dis Control, Microbiol Lab, Sapporo, Hokkaido 060, Japan
关键词
D O I
10.1007/s007050050415
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
In 1991 and 1992, H1N2 influenza A viruses were isolated from the lungs of pigs with overt signs of respiratory disease at farms in the Chiba and Kanagawa prefectures of Japan. To determine the genetic origin of these isolates, we phylogenetically analyzed partial nucleotide sequences of their genes. The results indicate that influenza viruses possessing the N2 of human influenza virus and seven other gene segments of classical H1N1 swine influenza virus, which were first isolated in 1980, have become established in Japanese pigs.
引用
收藏
页码:1773 / 1782
页数:10
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