Dead cat first confirmed feline fatality from H1N1

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Story Published: Nov 18, 2009 at 3:56 PM PST

LEBANON, Ore. -- A cat that died Nov. 7 is the first feline fatality from H1N1 flu, tests have confirmed.

The 10-year-old male cat was brought to the Animal Clinic in Lebanon on Nov. 4 with labored breathing. A member of the family had been sick with influenza-like illness a week earlier.

On initial examination, the cat's temperature was 101.7 F. There was no coughing or sneezing and its respiration was rapid and shallow. Radiographs revealed results consistent with pneumonia.

On Nov. 5, 2009, the cat's respiratory rate worsened. The cat was admitted and treated with oxygen and medication.

On Nov. 7, 2009, the cat died.

The Oregon State University Veterinary Diagnostic Laboratory later confirmed that the cat tested positive for pandemic H1N1

This is believed to be the first feline H1N1 fatality in Oregon and the third confirmed case of a cat with H1N1.

In addition to this case, there have been two other cases of confirmed H1N1 infection in cats in Iowa and Utah. Both cats recovered.

A Nebraska ferret with the virus died last month. Four Oregon ferrets tested positive and have recovered.

Three other cats in the Oregon household also became ill with different degrees of sneezing and coughing. None of them had an elevated temperature. Nasal swab samples were collected and yielded no other positive results for H1N1.

Transmission

In these cases it is believed that the cats caught the virus from humans in their households who were sick with influenza-like symptoms. If you or other members of your household are ill with influenza-like symptoms, wash your hands, use alcohol-based hand cleaners, cover your mouth and nose with a tissue when you sneeze, and avoiding touching your cat's eyes, nose and mouth while sick.

Dr. Emilio DeBess, Oregon State Public Health Veterinarian, cautions owners and veterinarians that it may be possible for cats to transmit this virus to humans. Coughing and sneezing can spread the virus which can remain infectious for about a week outside the body. Thoroughly wash your hands when handling sick pets or when you are sick.

Symptoms

While the outcome of this case is unfortunate, cat owners should not panic. The number of confirmed cases of H1N1 infection in cats is quite small compared to the US cat population.
Watch for symptoms and seek veterinary care for cats that show signs of respiratory illness when there has also been recent influenza-like illness in humans in the same household.
Symptoms include coughing, sneezing, lethargy, or conjunctivitis (swelling and redness of the membranes around the eyes). In these instances, the cat should be examined by your veterinarian, especially if there is a recent history of influenza-like illness in the household.

Treatment

As with people, treatment is supportive, which means treating the symptoms and letting the virus run its course. If a diagnosis of respiratory illness is made, your veterinarian can suggest medications and treatment to make your cat more comfortable.

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