Division Director's Bulletins - Division of Animal Industry Text Version Text Navigation Index to Website . And the virus, which strikes mostly young dogs, may spread more rapidly this summer, according to the animal caregivers. And the emergency clinics are the ones that tend to get more of the weekend cases. So if we're seeing more here, then the regular practices probably are also.
Parvovirus attacks the lining of the digestive system.
It prevents dogs and puppies from being able to absorb nutrients or liquids. Dogs with the virus often have diarrhea, vomiting and become lethargic. They usually stop eating and develop a foul-smelling, liquid stool that may contain blood. Parvovirus can pass from dog to dog through infected feces. The virus, typically not harmful to humans, can be spread by people to animals.