Dog Pneumonia Outbreak 2024 Map. Mysterious and fatal dog respiratory illness now reported in 14 states: Veterinary experts are calling it “canine infectious respiratory disease complex,” and its symptoms.
Michael lappin, an internal medicine specialist and director of the center for companion animal studies at csu, said it’s not clear why. The inflammation and accumulation of fluid or pus causes difficulty breathing and the coughing associated with pneumonia.”.