Highly pathogenic avian influenza virus (H5N1) isolated from whooper swans, Japan

Yuko Uchida; Masaji Mase; Kumiko Yoneda; Atsumu Kimura; Tsuyoshi Obara; Seikou Kumagai; Takehiko Saito; Yu Yamamoto; Kikuyasu Nakamura; Kenji Tsukamoto; Shigeo Yamaguchi

doi:10.3201/eid1409.080655

Highly pathogenic avian influenza virus (H5N1) isolated from whooper swans, Japan

Emerg Infect Dis. 2008 Sep;14(9):1427-9. doi: 10.3201/eid1409.080655.

Authors

Yuko Uchida¹, Masaji Mase, Kumiko Yoneda, Atsumu Kimura, Tsuyoshi Obara, Seikou Kumagai, Takehiko Saito, Yu Yamamoto, Kikuyasu Nakamura, Kenji Tsukamoto, Shigeo Yamaguchi

Affiliation

¹ National Institute of Animal Health, Kannondai, Japan.

Abstract

On April 21, 2008, four whooper swans were found dead at Lake Towada, Akita prefecture, Japan. Highly pathogenic avian influenza virus of the H5N1 subtype was isolated from specimens of the affected birds. The hemagglutinin (HA) gene of the isolate belongs to clade 2.3.2 in the HA phylogenetic tree.

Publication types

Case Reports
Research Support, Non-U.S. Gov't

MeSH terms

Animals
Anseriformes / virology*
Influenza A Virus, H5N1 Subtype / genetics
Influenza A Virus, H5N1 Subtype / isolation & purification*
Influenza in Birds / epidemiology*
Influenza in Birds / virology
Japan / epidemiology