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Dramatic Differences Between Adenoviruses in Dogs

Several strains of adenovirus exist, but two clinically significant adenovirus types have been identified in dogs: adenovirus type 1 (CAV-1) and adenovirus type 2 (CAV-2). Interestingly, these two adenoviruses are spread similarly, but the resulting diseases are vastly different.   Both adenoviruses are spread from dog-to-dog interactions through infected respiratory secretions or contact with contaminated…

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To vaccinate or not to vaccinate for Infectious Canine Hepatitis?

Infectious canine hepatitis (ICH) is caused by canine adenovirus -1 (CAV-1) but we no longer have vaccines against this strain because they caused  “blue eye”, a permanent protein-deposit blue opacity on one or both eyes. Instead, we vaccinate with canine adenovirus -2 (CAV-2), which is part of the kennel cough complex of viruses [CAV-2 is…

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Vaccines: When too Much of a Good Thing Turns Bad (Part 2)

In my last post, I began discussing that when it comes to canine and feline vaccines, too much of a good thing can be problematic. To restate what I mentioned before, vaccinations at the appropriate times, for the appropriate animals, in the appropriate circumstances are of the utmost importance to preserve health and well-being. Responsible…

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