I took Piper 5 years old, and Suiki 7 years old to the vet, because they were both coughing and sneezing. The vet said it was kennel cough? How can they catch this when I haven't had either of them in, or near a kennel? There is a little dog that comes up to our gate sometimes. Do you think they could have caught it from him? I'm just totally confused on how they could have caught it. I gave them their first dose of medicine, and it already has started to work.