But in some cases, including dogs that are high risk, more severe outcomes can happen.11 In a clinical
study of Dog Flu involving experimentally infected dogs with no secondary infections, every dog developed lung lesions (pneumonia) by the study's end.3
According to clinical data
studies (currently under peer review) at the University
of Wisconsin, this new strain
of Dog Flu is likely has a longer, up to 24 days, contagious period — making it more
of a concern.