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SAIM104-0506: Canine Influenza
Educational sponsor: Intervet

Cynda Crawford, DVM, PhD
Heather Troyer, DVM
Jennifer Barker, DVM
Kelly Ann Rada, DVM

May 10 - May 17, 2006
Real-time session: Wednesday, May 10, 9:30 - 11:00 pm ET (US)

Course Description
Canine influenza is a newly emerging, highly contagious respiratory infection in dogs. The infection is caused by an influenza A subtype H3N8 virus originally isolated in 2004 from racing greyhounds with a "kennel cough" illness. Molecular analyses indicate that the canine H3N8 virus is most closely related to equine influenza H3N8 viruses. The genetic similarity between equine and canine H3N8 viruses is consistent with the transfer of the complete genome of an influenza virus from horse to dog, followed by adaptation of the virus to dogs allowing for efficient replication and transmission of infection between dogs.

This course will provide an overview of influenza virus infection in dogs, including susceptibility, transmission, clinical disease, treatment approaches, diagnostic tests, prevention strategies, and use of syndromic surveillance for location of virus activity in North America and definition of risk groups for infection. The course instructors will share their experiences with canine influenza virus infections in racing greyhounds and in dogs in shelters, boarding facilities, and veterinary clinics.


  1. Introduction
    1. Emergence of influenza A subtype H3N8 virus in dogs
    2. Description of virus

  2. Transmission of infection
    1. Susceptible populations
    2. Routes of transmission
    3. Virus shedding by infected dogs
    4. Transmission to other species

  3. Clinical disease
    1. Incubation period
    2. "Kennel cough-like" syndrome (upper respiratory tract infection)
    3. Pneumonia (lower respiratory tract infection)
    4. Pathological findings

  4. Treatment approaches
    1. Upper respiratory disease
    2. Pneumonia
    3. Antibiotics and antivirals

  5. Diagnostic tests
    1. Virus isolation
    2. Serology
    3. Virus nucleic acid and protein assays

  6. Syndromic surveillance
    1. Syndromic serosurvey
    2. Location of virus-infected dogs in North America
    3. Risk groups for infection

  7. Prevention strategies
    1. Vaccination
    2. Isolation and quarantines
Discussions will begin on the start date of the course and continue for 7 days following the last real-time session.


FREE (Course tuition sponsored by Intervet)
Attendance at the real-time session is open to ALL veterinarians and veterinary students and does not require registration. You simply need to go to on Wednesday, May 10 at 9:30 pm ET (USA) and click on the banner for the Canine Influenza course. All who attend the real-time session will receive a transcript by email. Registration is needed if you are interested in obtaining CE credits and will be participating at the real-time session and the course message boards.

Please remember that all VIN members will have access to the transcript and course library materials, so it is not necessary to register if you are a VIN member, unless you are interested in CE credit.

Registration WILL CLOSE on or before Monday, May 8, 2006 at 8pm ET (USA) as soon as the course capacity is reached. Free courses fill up quickly, so enroll now!

*If you are not a VIN member, you can register for one of our Free CE courses every six months. If you would like to take multiple free courses, there will be a minimum $49 charge to cover your access to VIN during the additional courses.

For More Information on VIN's Upcoming CE Courses, check out

"This program was reviewed and approved by AAVSB's RACE program for continuing education. Please contact the AAVSB's RACE program at should you have any comments/suggestions regarding this program's validity or relevance to the veterinary profession."

COURSE WITHDRAWAL AND REFUND POLICY: Withdrawal prior to the listed start date of a course entitles the registrant to a complete refund or a credit toward a future VIN CE course, whichever is preferred. Withdrawal within 1 week after the listed start date (i.e. including no more than one real-time session) entitles the registrant to a credit toward any future VIN CE course. (Does not apply to courses with only one real-time session.) After the first real-time session, a registrant may withdraw due to special circumstances and receive prorated credit towards a future VIN course. These requests will be handled on an individual basis. The amount of the prorated credit will be determined based on 65% of the time remaining in the course at the time of withdrawal. It is not possible to withdraw retroactively.

Note: To ensure rapid handling of your request for withdrawal, we recommend that you call the VIN office at 1-800-700-INFO.

Debbie Friedler
Continual Education Division
Veterinary Information Network


800.700.4636  |  |  530.756.4881  |  Fax: 530.756.6035
777 West Covell Blvd, Davis, CA 95616

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