Parvovirus (often called “parvo”) is one of the most dangerous viral infections for dogs. It spreads quickly, attacks the digestive system, and can be fatal if left untreated. Recognising how it spreads, its symptoms, and what first aid steps to take could save your pet’s life.
If your dog shows symptoms of parvovirus, contact a vet immediately. Early care makes the biggest difference.
What Is Parvovirus?
Parvovirus is a highly contagious virus that primarily affects dogs, though other animals have their own strains. It damages the lining of the intestines, leading to severe dehydration and weakness.
Types of Parvovirus (Canine, Feline)
- Canine parvovirus (CPV-2): The most common strain in dogs, especially puppies and unvaccinated pets.
- Feline panleukopenia virus: Similar in cats, though not transmissible to dogs.
How Dogs Catch Parvovirus
Dogs usually catch parvovirus through:
- Direct contact with infected dogs
- Exposure to contaminated faeces, urine, or vomit
- Contact with contaminated environments (kennels, bowls, shoes, or soil)
The virus is extremely tough; it can survive on surfaces for months if not properly disinfected.
Symptoms to Watch For
Look out for these common signs of parvovirus:
- Vomiting (often severe)
- Diarrhoea (sometimes bloody)
- Loss of appetite
- Lethargy or extreme weakness
- Fever or low body temperature
- Rapid dehydration
Any combination of these signs requires urgent veterinary attention.
At-Home First Aid Steps (How to Help Until You See a Vet)
Hydration & Monitoring
- Ensure access to fresh water at all times.
- Monitor for signs of dehydration (dry gums, sunken eyes, skin not springing back when pinched).
- Keep your dog warm and calm in a clean environment.
When to Call a Vet or Enrol in a CPR/First Aid Course
- If symptoms appear, call your vet immediately; parvovirus requires professional care.
- Pet owners can prepare by enrolling in a First Aid Course to learn how to monitor vital signs, give supportive care, and respond in emergencies.
Veterinary Treatment Options (How Vets Treat Parvovirus)
There’s no direct cure, but vets provide supportive treatment to give dogs the best chance of recovery:
- IV fluids to fight dehydration
- Anti-nausea & anti-diarrhoea medication
- Antibiotics to prevent secondary infections
- Hospitalisation in severe cases
Survival depends heavily on how quickly treatment begins.
Prevention Tips & Vaccination (How to Protect Your Dog from Parvo)
- Vaccinate puppies starting at 6–8 weeks, with boosters as recommended.
- Avoid exposing unvaccinated puppies to public parks or kennels.
- Disinfect surfaces with strong cleaning agents (e.g., bleach).
- Maintain overall good hygiene for food bowls, bedding, and shoes.
Vaccination remains the most effective prevention.
FAQs
What is the survival rate of parvovirus in dogs?
With veterinary treatment, survival rates can reach 68–92%, but untreated cases are often fatal.
Can humans catch parvovirus from dogs?
No. Humans cannot contract canine parvovirus, but there are other human-specific parvoviruses (e.g., Parvovirus B19).
Is there a home test for parvo?
Some rapid test kits exist, but a veterinary test is the most reliable method.



