The present invention relates to canine influenza virus strains, and vaccines and compositions. The present invention also relates to reagents and methods allowing their detection, methods of vaccination as well as methods of producing these reagents and vaccines.本發明係關於犬流感病毒株,及疫苗及組合物。本發明亦關於允許其偵測之試劑及方法、疫苗接種之方法,以及生產此等試劑及疫苗之方法。