Canine Parvovirus (CPV), often referred to as “parvo,” is a highly contagious and potentially deadly virus that affects dogs’ intestinal tract. Not only does parvo have a high mortality rate if left untreated, it can survive in the environment for months, or even years, in the right conditions.

While any dog may potentially contract parvo, it is most likely to affect dogs with less robust immune systems, including puppies and unvaccinated dogs. Puppies are especially vulnerable to parvo infections during the gap between immunity from their mother’s milk and when they are fully vaccinated at 16 weeks old. Dogs with existing autoimmune deficiencies are also at greater risk.

How Is Parvo Transmitted?

The parvovirus enters the body through contact with the mucus membranes, then spreads in the lymphatic system and bloodstream. An infected dog sheds the parvovirus through feces, so…

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