No, humans are not susceptible to the Kennel Cough disorder seen in dogs. It is a disease caused by a combination of a bacteria and a virus, usually not life-threatening for a dog. You probably shouldn't blame your dog for your mother-in-law's problem.
Yes, Kennel Cough," IS CONTAGIOUS TO HUMANS! Especially those with immune system issue's or, "low immune systems." It is spread through direct contact with the infected surface, airborne, (your dog coughing and sneezing,) and can continue to be spread as long as 14-20 days from the animal that is shedding the virus. An animal with this disease should be kept somewhat quarantined until the transmission period is over. The best thing to do is take the animal to the vet and the suspect person to see a doctor. Hope this helps!
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