What is canine influenza?

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Canine influenza (dog flu) is influenza occurring in canine animals.

Canine influenza is caused by varieties of influenzavirus A, such as equine influenza virus H3N8, which in 2004 was discovered to cause disease in dogs.

It is a disease with a high morbidity (incidence of symptoms) but a low incidence of death.

FAQ
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Dogs infected with CIV are most contagious during the two- to four- day virus incubation period, when they shed the virus in their nasal secretions but do not show signs of illness.

The virus is highly contagious and almost all Dogs exposed to CIV will become infected.

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Virtually all dogs exposed to the virus become infected, and nearly 80% show clinical signs of disease, though most exhibit the mild form described above.

Fatal cases of pneumonia resulting from infection with canine influenza virus have been reported in dogs, but the fatality rate is low (less than 10%).

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The severity of illness associated with canine flu in dogs can range from no signs to severe illness resulting in pneumonia and sometimes death.

Most dogs recover within 2 to 3 weeks.

However, some dogs may develop secondary bacterial infections which may lead to more severe illness and pneumonia.

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In general, canine influenza viruses are thought to pose a low threat to people.

To date, there is no evidence of spread of canine influenza viruses from dogs to people and there has not been a single reported case of human infection with a canine influenza virus in the U.S. or worldwide.

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Canine influenza (also known as dog flu) is a contagious respiratory disease in dogs caused by specific Type A influenza viruses known to infect dogs.

These are called "Canine influenza viruses." No human infections with Canine influenza have ever been reported.

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Canine influenza (also known as dog flu) is a contagious respiratory disease in dogs caused by specific Type A influenza viruses known to infect dogs. These are called β€œcanine influenza viruses.” No human infections with canine influenza have ever been reported.
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Vaccination can reduce the risk of a dog contracting canine influenza.

Vaccination may not all together prevent an infection, but it may reduce the severity and duration of clinical illness.

The canine influenza vaccine is a "lifestyle" vaccine, and is not recommended for every dog.

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