Parvo in Dogs and Puppies: Causes, Symptoms, and Treatment for Canine Parvovirus – Parvo, or Canine Parvovirus (CPV), is a severe and often deadly disease in dogs. However, it is also highly preventable, and its symptoms can be treated through supportive care. Receiving a parvo diagnosis can be challenging, but increasing your knowledge will better equip you to handle the intricacies of this virus. This article covers parvo’s causes, symptoms, and the steps you can take to prevent its spread.