Name:
Canine Parainfluenza Virus
Other Name(s):
Acronym(s):
Severity:
Genetic:
Idiopathic:
Predisposed Breeds:
Onset Age:
Overview
Canine parainfluenza virus (CPIV), also known as canine flu, is a highly contagious respiratory virus. It often contributes to kennel cough, a complex of respiratory infections in dogs. This virus is common where dogs are housed together. The severity of CPIV is moderate, but can become serious in puppies or dogs with weakened immune systems. While no specific breed is genetically predisposed, the risk increases in crowded environments.
Causes
The primary cause of CPIV is exposure to the virus through respiratory secretions from infected dogs. This exposure can happen when an infected dog coughs or sneezes, spreading the virus to others.
Secondary causes include close contact with infected dogs or contaminated surfaces. Stress, poor ventilation, and crowded environments further increase the likelihood of CPIV transmission among dogs.
Other causes can involve a weakened immune system, which makes dogs more susceptible to the virus. Concurrent infections with other respiratory pathogens can also exacerbate the condition.
Predisposed Breeds
There are no specific breeds predisposed to canine parainfluenza virus.
Symptoms
Primary symptoms of CPIV include a persistent cough, nasal discharge, and sneezing. These symptoms often appear soon after exposure to the virus and can last for several days.
Secondary symptoms may include fever, lethargy, and loss of appetite. These symptoms can make the dog feel unwell and less energetic, affecting its daily activities.
Other symptoms can include eye discharge and difficulty breathing in severe cases. These symptoms may indicate a more serious progression of the virus and require veterinary attention.
Canine parainfluenza virus symptoms include:
- Persistent cough
- Nasal discharge
- Sneezing
- Fever
- Lethargy
- Loss of appetite
- Eye discharge
Diagnosis
Diagnosis of CPIV is often based on clinical signs and the dog’s history, especially if it has been in a high-density living situation. A veterinarian will conduct a thorough examination to assess the symptoms.
Laboratory tests, such as PCR or virus isolation from nasal swabs, can confirm CPIV. These tests help distinguish CPIV from other respiratory conditions.
Differentiating CPIV from other conditions is important. It should be differentiated from canine distemper, bordetella bronchiseptica infection, and canine adenovirus type 1.
Treatment
Treatment for CPIV primarily involves supportive care. This includes ensuring proper hydration and nutrition to support the dog’s recovery. Antibiotics may be prescribed to prevent secondary bacterial infections.
There is no specific antiviral treatment for CPIV, so managing symptoms and preventing complications are important. Rest and a stress-free environment aid in the recovery process.
Management
Management of CPIV includes isolating infected dogs to prevent the virus’s spread. Maintaining a clean environment is important to avoid further contamination.
Regular monitoring for complications, such as pneumonia, is essential. Any signs of worsening symptoms should be reported to a veterinarian immediately.
Prevention
Vaccination is the most effective method of preventing CPIV. CPIV is often included in combination vaccines given to dogs.
Maintaining good hygiene and avoiding exposure to infected dogs are also essential preventive measures. These steps help reduce the risk of infection.


