Canine Parvovirus: A Deadly Disease That's Preventable
Parvovirus is one of the deadliest diseases for puppies. Learn the signs, treatment, and why vaccination is critical.
Canine parvovirus (CPV) is a highly contagious and potentially fatal virus that attacks the digestive system and immune system. It primarily affects puppies and unvaccinated dogs. The virus is incredibly resilient — it can survive in the environment for months to years. Vaccination is the only reliable protection.
- Parvovirus is extremely contagious and can be fatal
- Puppies under 6 months are at highest risk
- The virus survives in the environment for months to years
- Signs include severe bloody vomiting and diarrhea
- Treatment is expensive and not always successful
- Vaccination is nearly 100% effective at prevention
How It Spreads
Parvovirus is shed in the feces of infected dogs and can survive on surfaces, soil, and objects for months to years. Dogs become infected by sniffing, licking, or walking on contaminated areas. The virus is resistant to many disinfectants — only bleach (1:30 dilution) reliably kills it. Dog parks, pet shops, and any area with unvaccinated dogs are high-risk.
Signs of Parvo
Symptoms appear 3-7 days after exposure and include: severe, often bloody diarrhea with a distinctive foul smell, vomiting, complete loss of appetite, extreme lethargy, fever followed by low body temperature, rapid dehydration, and abdominal pain. Without treatment, death can occur within 48-72 hours of symptom onset.
Treatment
There is no cure for parvovirus — treatment is supportive care while the dog's immune system fights the virus. This includes IV fluids to combat dehydration, anti-nausea medication, antibiotics to prevent secondary infections, and nutritional support. Treatment typically requires 3-7 days of hospitalization and can be expensive. Early treatment significantly improves survival rates.
Prevention
The parvovirus vaccine is highly effective and is a core part of every puppy's vaccination series. Puppies should be vaccinated at 6-8 weeks, then every 3-4 weeks until 16 weeks old, with a booster at 1 year. Until fully vaccinated, avoid areas where unvaccinated dogs may have been. Adult dogs need boosters every 1-3 years.
- Severe vomiting and/or diarrhea in a puppy
- Bloody diarrhea with a foul smell
- Extreme lethargy or collapse
- Complete refusal to eat or drink
- Your puppy is unvaccinated or partially vaccinated
- Known exposure to a parvo-positive dog
RVC
RVC provides parvovirus treatment with intensive supportive care, and we stock the most effective vaccines for prevention. If you suspect parvo, call ahead at +853 6677 6611 so we can isolate your pet on arrival.
+853 6677 6611