Mysterious Respiratory Illness Sickens Hundreds Of Dogs: Here's What We Know

Dogs are likely to contract the infection while in close contact with numerous other dogs in places like daycare, dog parks, groomers, or boarding kennels. (Credit: pixabay/ congerdesign)

A mysterious respiratory illness has sickened hundreds of dogs across several states, prompting veterinarians to warn pet owners to take precautionary measures against the potentially deadly infection.

The unusual respiratory illness has been reported in many states, including Oregon, Colorado and New Hampshire. The Oregon Department of Agriculture (ODA) has documented more than 200 cases of the disease in the last three months.