The phrase "bodily secretions" refers to the fluids or substances that our bodies produce, such as sweat, tears, saliva, mucus, urine, and other similar liquids. Full definition
However the disease can also be transmitted when a healthy dog's nose or mouth comes in direct contact with bodily secretions from an infected dog (such as nasal discharge or saliva) or with contaminated items such as food or water bowls or people's hands. (rachelebaker.com)
Naturally present in bodily secretions such as saliva, milk and tears, these highly reactive substances can cause damage to bacterial cells, resulting in their death. (sciencedaily.com)
It is a virus that is spread through the air as well as by bodily secretions such as urine. (dog-health-guide.org)