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Feline Bordetella

"NEW VACCINE"

By Dr. Kelly Brodnik

Just as dogs can contract "kennel cough" (or infectious tracheobronchitis caused by the bacterium Bordetella Bronchiseptica) from other dogs, so can cats. Your cats may even be exposed from the bacteria from dogs, other animals, maybe even you-although this transmission has not been well documented.

Bordetella bacterium are transmitted through aerosolized particles (such as those sneezed or coughed out into the air) and through fomite transmission (bacteria that "land" in the environment) and infect your pet
Bordetella was originally believed to be secondary to upper respiratory viruses, some studies have shown that Bordetella can be a primary cause of infection. Controlled studies can give insight into the transmission and clinical signs associated with exposure, but frequency in the general population is still unknown. Transmission appears to be higher in situations where there are many cats such as shelters, catteries, cat shows, and multicat households. These cats are at a higher risk of exposure because they are exposed to more cats.

Clinical signs of Bordetella infection in cats can be all or just one of the following symptoms: sneezing, dry cough, plus or minus nasal discharge, plus or minus fever, increased lung sounds, swelling of submandibular lymph nodes. One of the major problems with this disease is that some cats may not show ANY sign of infection and still be a "carrier" of the disease. This situation allows for many cats to become infected and the source will be unknown.

Diagnosis of Bordetella infection requires culturing the bacteria from an oropharyngeal swab easily obtained by your veterinarian. All cats and kittens should have their blood tested for feline leukemia and feline immunodeficiency virus, feline infectious peritonitis, and to rule out the possibility of feline distemper virus when presented for any illness, depending upon their vaccination history.

Treatment is not difficult and often the infection goes away on its own. Sometimes, however, the infection can quickly progress to pneumonia (possibly even death) if not treated; depending upon the severity of the infection and presence of other pathogens (viruses and bacteria). The Bordetella organism is responsive to many antibiotics and if treated early on, prognosis is good.

Prevention is accomplished by isolating sick cats, keeping vaccinations current, maintaining a clean environment, parasite control, supplying good nutrition, and vaccinating at risk cats with feline Bordetella vaccine by Intervet called PROTEX-Bb. The vaccination is safe to use in kittens as young as 4 weeks of age, produces immunity within 72 hours, and can be used in pregnant cats. Cats and kittens will receive one intranasal dose of vaccine, that is boosted in 6 months for cats in high-risk situations and yearly in all others. Protect your cat from infection; ask your veterinarian about feline Bordetella vaccine.


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