From the American Veterinary Medical Association: It was recently brought to our attention that there are rumors circulating online about the existence of two new strains of canine distemper virus. These rumors are untrue. After consulting with two experts, Dr. Ed Dubovi (from Cornell) and Dr. Ron Schultz (from the University of Wisconsin), we provide the following information: There is no data to back up claims that the disease is on the rise on a national level, but there have been many outbreaks of distemper covered in the news media. ...