Parvo is a viral infectious disease. Infectious pathogens are widely present in dogs’ vomit and excrement, with feces containing the largest amount of viruses. If a healthy dog ​​is directly or indirectly exposed to the above pathogen-containing substances, the dog may be infected, especially unvaccinated puppies.

Prevention of infectious diseases such as parvovirus is important. It is recommended that dogs be vaccinated when they are healthy and over 42 days old.