Credit: Unsplash/CC0 Public Domain Cornell researchers have discovered that a lethal variant of feline coronavirus, previously thought to be limited to a devastating 2023 outbreak in Cyprus that killed thousands of cats, has in fact appeared in the United States, raising concerns about future large-scale outbreaks in vulnerable cat populations. The findings were published in the March 6 issue of the Journal of Feline Medicine and Surgery by a cohort of researchers at Cornell University's College of Veterinary Medicine. "The findings are significant and are a result of our ongoing work in surveillance of pathogenic diseases of veterinary relevance in the U.S.," said Ximena A. Olarte-Castillo, post-doctoral associate in the Goodman lab at the Baker Institute for Animal Health and first author on the paper. Feline coronavirus is common in cats and typically causes mild or asymptomatic infections.…