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Canine parvovirus
Canine parvovirus is a serious and highly contagious viral disease that mainly affects young dogs. It primarily attacks the intestines and immune system, which can lead to severe dehydration. It is one of the leading causes of death in unva...
What is it?
Canine parvovirus is a serious and highly contagious viral disease that mainly affects young dogs. It primarily attacks the intestines and immune system, which can lead to severe dehydration. It is one of the leading causes of death in unvaccinated puppies in Tunisia and worldwide.
The disease is caused by canine parvovirus type 2 (CPV-2), a highly resistant virus that can survive for a long time in the environment. It multiplies rapidly in the cells of the intestines and bone marrow.
Puppies aged 6 weeks to 6 months are the most vulnerable, especially if unvaccinated or incompletely vaccinated. Group environments such as shelters, pet shops, or areas with many dogs also increase the risk.
Commonly observed signs
These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.
Typical signs include repeated vomiting, often bloody and foul-smelling diarrhea, severe lethargy and loss of appetite. The dog may also show fever and rapid dehydration that worsens its overall condition.
When to consult without delay
This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.
Transmission
The virus spreads mainly through direct contact with the feces of an infected dog or indirectly through contaminated environments, objects, or hands. It can survive for months in soil or on surfaces, making contamination easy even without direct contact between dogs.
Diagnosis and care
Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.
If parvovirus is suspected, an urgent veterinary consultation is essential as this disease can progress very quickly. Only a veterinarian can assess the situation and provide appropriate care.
Prevention
Vaccination following a veterinarian's recommended protocol remains the most effective prevention method. It is also advisable to limit contact between unvaccinated puppies and other dogs and to properly disinfect frequented areas.
References
WOAH — Organisation mondiale de la santé animale (ex-OIE)
Content reviewed by the TunisieVet editorial team · Updated 09 August 2026
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This information is provided for educational purposes only and is not a substitute for a veterinary consultation. If you have any concerns about your animal's health, consult a veterinarian.
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