Read the link below to find out more about the strain of flu in Chicago dogs. There are two flu viruses in dogs in the midwest; one is H3N8 for which there is a vaccine and second virus is H3N2. Whether the vaccine is protective is unknown with speculation that it may reduce the severity of disease from H3N2, based on findings on human & bird responses to flu viruses.
Midwest Canine Influenza outbreak caused by new strain of virus.