Possible circulation of H5N1 avian influenza viruses in healthy ducks on farms in northern Vietnam

Hiroki Takakuwa, Tetsu Yamashiro, Mai Q. Le, Lien S. Phuong, Hiroichi Ozaki, Ryota Tsunekuni, Tatsufumi Usui, Hiroshi Ito, Tsuyoshi Yamaguchi, Toshihiro Ito, Toshiyuki Murase, Etsuro Ono, Koichi Otsuki

研究成果: ジャーナルへの寄稿学術誌査読

5 被引用数 (Scopus)

抄録

To estimate the prevalence of influenza A subtype H5N1 viruses among domestic ducks in the period betweenOctober and November 2006 when H5N1 outbreaks had been absent, 1106 healthy ducks raised in northern Vietnam were collected. Inoculation of all throat and cloacae samples into embryonated eggs resulted in the isolation of subtype H3N8 in 13 ducks, but not H5N1 viruses. Serological analyses demonstrated that five ducks (0.45%) solely developed H5N1 subtype-specific hemagglutinin-inhibiting and neuraminidase-inhibiting antibodies together with anti-non-structural protein 1 antibodies. The results suggested that the ducks were naturally infected with H5N1 viruses when obvious H5N1 outbreaks were absent.

本文言語英語
ページ(範囲)58-62
ページ数5
ジャーナルMICROBIOLOGY and IMMUNOLOGY
54
1
DOI
出版ステータス出版済み - 1月 2010

!!!All Science Journal Classification (ASJC) codes

  • 微生物学
  • 免疫学
  • ウイルス学

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