Both canine influenza virus strains can live outside of dogs for up to 24 hours on other surfaces such as cages, floors, and your own clothing. (illianaveterinaryhospital.com)
For decades, vaccine manufacturers have used chicken eggs to grow the flu virus strains included in the seasonal flu shot. (sciencedaily.com)
Current flu vaccines are only effective against virus strains that match the vaccine strains. (sciencedaily.com)