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News Article

Hepadnavirus found in cats


Finding could provide clues about the evolution of hepatitis viruses in all species

Morris Animal Foundation-funded researchers from the University of Sydney have found a previously undiscovered hepadnavirus in an immunocompromised cat, and subsequently in banked samples. The research team published their results in the journal Viruses.

“This is a very exciting discovery,” said Dr. Julia Beatty, Professor of Feline Medicine at the University of Sydney School of Veterinary Science. “The domestic cat hepadnavirus is in the same family as hepatitis B virus of people. Until now, we didn’t know that companion animals could get this type of infection. We obviously need to understand the impact of this infection on cat health.”

Beatty noted that similar viruses can cause hepatitis and liver cancers in other species, but that there is no risk to humans or other pets from the newly discovered cat hepadnavirus.

The team at the University of Sydney, led by Beatty, first identified the virus in a feline immunodeficiency virus positive cat that died of lymphoma. Once the team identified the virus, they tested stored blood sample from adult pet cats. To the team’s surprise, they found evidence of infection with the hepadnavirus in the banked samples. The new virus was identified in 10 percent of the FIV-infected cats and 3.2 percent of non-FIV infected cats.

“Apart from its relevance for feline health, this discovery helps us understand how hepatitis viruses, which can be deadly, are evolving in all species,” said Beatty.

Read article: A Novel Hepadnavirus Identified in an Immunocompromised Domestic Cat in Australia by Mahdis Aghazadeh, Mang Shi, Vanessa R. Barrs, Alicia J. McLuckie, Scott A. Lindsay, Barbara Jameson, Bronte Hampson, Edward C. Holmes and Julia A. Beatty, published in Viruses (2018) 10(5), 269, doi:10.3390/v10050269

Article details

  • Date
  • 22 May 2018
  • Source
  • Morris Animal Foundation
  • Subject(s)
  • Dogs, Cats, and other Companion Animals