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Volume 17, Number 4—April 2011

Dispatch

Highly Pathogenic Avian Influenza Virus Infection in Feral Raccoons, Japan

Taisuke HorimotoComments to Author , Ken Maeda, Shin Murakami, Maki Kiso, Kiyoko Iwatsuki-Horimoto, Mariko Sashika, Toshihiro Ito, Kazuo Suzuki, Mayumi Yokoyama, and Yoshihiro Kawaoka
Author affiliations: Author affiliations: University of Tokyo, Tokyo, Japan (T. Horimoto, S. Murakami, M. Kiso, K. Iwatsuki-Horimoto, Y. Kawaoka); Yamaguchi University, Yamaguchi, Japan (K. Maeda); Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan (M. Sashika); Tottori University, Tottori, Japan (T. Ito); Hikiiwa Park Center, Wakayama, Japan (K. Suzuki); Wildlife Management Research Center, Hyogo, Japan (M. Yokoyama)

Main Article

Table 1

Summary of serologic test results showing avian influenza (H5N1) antibody–positive samples from feral raccoons, Japan*

Region/period No. positive/no. samples (%) ID no.,
positive samples Date raccoon captured Animal body mass, kg Animal sex
Western Japan
2005 May–2006 Dec 6/221 (2.7)
A-1 2006 Apr 30 5.6 F
A-2 2006 May 2 0.3 M
A-3 2006 May 2 0.3 M
A-4 2006 May 2 0.3 M
A-5 2006 May 17 10.9 M
A-6 2006 May 25 9.1 M
2007 Jun–2008 May 2/84 (2.4)
B-1 2007 Jun 28 5.3 M
B-2 2008 Jan 20 7.2 M
2009 Apr–2009 Sep
0/110




Eastern Japan
2007 May–2008 Oct 2/683 (0.3)
C-1 2008 May 8 4.0 F
C-2 2008 Jul 1 7.2 M
Total 10/1,088 (0.9)

*ID, identification.

Main Article

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