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Parvo (Parvovirus) in Dogs

Canine parvovirus is a highly contagious viral disease that can produce a life-threatening illness. The virus attacks rapidly dividing cells in a dog's body, most severely affecting the intestinal tract. Parvovirus also attacks the white blood cells, and when young animals are infected, the virus can damage the heart muscle and cause lifelong cardiac problem

What Are the General Symptoms of Parvovirus?

The general symptoms of parvovirus are lethargy, severe vomiting, loss of appetite and bloody, foul-smelling diarrhea that can lead to life-threatening dehydration.

How Is Parvovirus Transmitted?

Parvovirus is extremely contagious and can be transmitted by any person, animal or object that comes in contact with an infected dog's feces. Highly resistant, the virus can live in the environment for months, and may survive on inanimate objects such as food bowls, shoes, clothes, carpet and floors. It is common for an unvaccinated dog to contract parvovirus from the streets, especially in urban areas where there are many dogs.

How Is Parvovirus Diagnosed?

Veterinarians diagnose parvovirus on the basis of clinical signs and laboratory testing. The Enzyme Linked ImmunoSorbant Assay (ELISA) test has become a common test for parvovirus. The ELISA test kit is used to detect parvovirus in a dog's stools, and is performed in the vet's office in about 15 minutes. Because this test is not 100% sensitive or specific, your veterinarian may recommend additional tests and bloodwork.

Which Dogs Are Prone to Parvovirus?

Puppies, adolescent dogs and canines who are not vaccinated are most susceptible to the virus. The canine parvovirus affects most members of the dog family (wolves, coyotes, foxes, etc.). Breeds at a higher risk are Rottweilers, Doberman pinschers, Labrador retrievers, American Staffordshire terriers and German shepherds.