Dogs are a major reservoir for zoonotic infections. Dogs transmit several viral and bacterial diseases to humans. Zoonotic diseases can be transmitted to human by infected saliva, aerosols, contaminated urine or feces and direct contact with the dog.
Ticks found on dogs are dangerous for human, if ever bitten by a tick you may get Lyme or Rocky Mountain spotted fever. Recently, Iowa reported Canine Brucellosis diseases, which is transferred from dogs to humans. Humans may have symptoms such as fever, increased perspiration, a headache, joint pain, and fatigue.