Influenza A Virus Infection in Domestic Ferrets

  • Kuroda Yudai
    Department of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan Department of Veterinary Science, National Institute of Infectious Diseases, Japan
  • Okada Ai
    Department of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan
  • Shimoda Hiroshi
    Department of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan
  • Miwa Yasutsugu
    Miwa Exotic Animal Hospital, Japan
  • Watamori Akiko
    Miwa Exotic Animal Hospital, Japan
  • Ishida Hiroho
    Department of Veterinary Microbiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
  • Murakami Shin
    Department of Veterinary Microbiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
  • Takada Ayato
    Global Institution for Collaborative Research and Education, Global Station for Zoonosis Control, Hokkaido University, Japan
  • Horimoto Taisuke
    Department of Veterinary Microbiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
  • Maeda Ken
    Department of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Japan Department of Veterinary Science, National Institute of Infectious Diseases, Japan

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<p>Ferrets are animals that are known to be susceptible to influenza A virus (IAV) infection. To evaluate the risk of IAV transmission from diseased ferrets to humans, a survey was performed to detect specific antibodies against the H1, H3, H5, and H7 subtypes of IAV. Using enzyme-linked immunosorbent assay for hemagglutinin proteins, we found a high positive rate for the H1 (24.1%) and H3 (5.2%) subtypes. The results were confirmed by a virus neutralization test for representative antibody-positive serum samples. We also detected hemagglutinin and neuraminidase genes in two ferrets showing acute respiratory disease and whose owner was diagnosed with IAV infection; a human H1N1pdm virus was isolated from one of these ferrets. Our findings suggest that attention should be paid to IAV infection from humans to ferrets and vice versa.</p>

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