According to data from public health veterinarian Dr. Emilio DeBess, more than half of the canine leptospirosis cases recorded between 2007 and 2011 had unknown exposure risks.
The demographic data on canine leptospirosis cases is shifting, says Oregon State public health veterinarian Emilio DeBess, DVM, MPVM. According to case data from Oregon between 2007 and 2011, 55 percent of the infected dogs were male, 51 percent were from rural settings, 52 percent were large, 69 percent were between 2 and 9 years old and 26 percent were 10 years or older. Fifty-eight percent had no known exposure risk.
In other words, the entire canine population is at risk. Check out the charts below for a more in-depth look at the numbers.