Canine influenza is an emerging respiratory disease with welfare implications for affected dogs and potential for rapid spread through social settings.
Canine influenza welfare primarily concerns the individual dogs who develop moderate to severe respiratory disease — pneumonia in dogs causes significant welfare harm through breathlessness, fever, lethargy, and reduced appetite over 2-3 weeks. For the minority developing severe disease, intensive veterinary care including oxygen supplementation may be required. The welfare dimension extends to social settings: outbreaks in kennels and day care facilities cause widespread illness across multiple dogs simultaneously, disrupting social environments and causing fear in animals who cannot understand their symptoms. Responsible dog owners who use social facilities should maintain current vaccination status and monitor dogs carefully after high-contact activities. Kennels and day care facilities should have clear protocols for identifying and isolating symptomatic individuals rapidly.