10 states reported to having mystery illness in dogs

An un-named respiratory illness is spreading among dogs, and the cause of it remains a mystery. The symptoms are listed as coughing, sneezing, nasal and or eye discharge, and lethargy. It's described as a long-lasting respiratory disease that can also cause pneumonia, so clearly, it is very serious. The illness has been reported in 10 states, the closest to Metro Detroit being Indiana and Illinois.