Pet cat helps discover a new virus

Friday, July 11, 2025 - 18:31 in Biology & Nature

Pepper the cat is at it again. After his hunting skills helped virologists identify the first jeilongvirus in the United States, the virus-hunting feline has detected a new strain orthoreovirus. It helps that Pepper’s owner is John Lednicky, a virologist at the University of Florida College of Public Health. Pepper caught an Everglades short-tailed shrew and Lednicky took the small mole-lake mammal into the lab for testing. Lednicky’s research includes studying the mule deerpox virus, so he wanted to look at the shrew specimen for any clues to how this virus is transmitted among mammals. It turns out that the shrew had a strain of orthoreovirus. The viruses in this genus infect several mammal species, including white-tailed deer, bats, and humans. Their effects on humans are not very well understood, but there are rare reports that orthoreoviruses may be associated with cases of encephalitis, meningitis, and gastroenteritis in children. “The bottom line is...

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