How to Treat Parvo at Home Parvovirus (parvo) is a highly contagious disease of dogs that tends to affect puppies more often than adult dogs. It is a very serious infection and can cause death sometimes without much warning. You may be wondering how you can cure it without needing to see a. Dog Vaccinations. Programs supporting regular vaccination of dogs have contributed both to the health of dogs and to the public erot.xyz countries where routine rabies vaccination of dogs is practiced, for example, rabies in humans is reduced to a very rare event. Vaccinating your dog can lead to a longer, healthier life at little cost to you.