Prolonged shedding of the canine influenza H3N2 virus in nasal swabs of experimentally immunocompromised dogs.

Purpose The avian origin canine influenza virus H3N2 has been recently isolated and found to be currently in dog population in South Korea and China. The purpose of this study was to clarify the relationship between immunosuppressive glucocorticoids used in veterinary clinical practice and viral shedding pattern of influenza in dogs.