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Transmission of Avian Influenza Virus (H3N2) to Dogs

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  • Transmission of Avian Influenza Virus (H3N2) to Dogs

    Song D, Kang B, Lee C, Jung K, Ha G, Kang D, et al.
    Transmission of avian influenza virus (H3N2) to dogs. Emerg Infect Dis. 2008 May; [Epub
    ahead of print]


    Transmission of Avian Influenza Virus (H3N2) to Dogs

    Daesub Song,*1 Bokyu Kang,*1 Chulseung Lee,* Kwonil Jung,† Gunwoo Ha,‡
    Dongseok Kang,‡ Seongjun Park,§ Bongkyun Park,§ and Jinsik Oh‡
    *


    "....Our experimental reproduction of the disease caused by this isolate induced severe
    pathologic changes and showed that infected dogs excreted influenza virus (H3N2) in nasal
    discharge but not in feces. This finding suggests that dog-to-dog transmission of subtype H3N2
    could occur through the nasal route and that dog-to-dog transmission of the virus could play an
    important role in the epizootiology of the disease.

    In our study, virologic, serologic, pathologic, and phylogenetic analyses showed crossspecies
    infection of an entire avian influenza A virus (H3N2) to another mammalian species,
    dogs. Evidence of avian influenza virus infection in pet dogs raises the concern that dogs may be
    become a new source of transmission of novel influenza viruses, especially where avian
    influenza viruses are circulating or have been detected...."



  • #2
    Re: Transmission of Avian Influenza Virus (H3N2) to Dogs

    Interesting. So much for canine influenza being caused by H3N8.



    Domestic and feral canine/feline overpopulation is a real problem in many countries. It just might be a factor worth serious consideration in estimating outbreak and transmission risks to humans, in these highly virulent H5 and H3 influenza subtypes that readily cross species barriers.

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