Mysterious respiratory dog illness: Symptoms, everything to know

Mysterious respiratory dog illness detected in several states: What to know Veterinary laboratories are warning pet owners about an infectious respiratory disease that was first detected among dogs a few months ago. Cases have spread to at least five states while experts are still trying to figure out the cause of the illnesses, the American Veterinary Medical Association said in a news release on Friday. Here's everything to know about the mystery illness, symptoms to look out for and what …