ArticleVeterinary sciences2026
Cross-Species Transmission and Recombination Between Feline and Canine Coronaviruses in Jiangsu-Zhejiang Region in 2025.
Article in Veterinary sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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16 authors.
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Abstract
Feline and canine coronaviruses (FCoVs and CCoVs) are widely prevalent in companion animals. The recent emergence of a highly virulent FCoV-CCoV recombinant virus, FCoV-23, caused a rapid feline infectious peritonitis (FIP) outbreak in Cyprus, which raises a serious concern about the cross-species transmission of CoVs among companion animals. Here, we evaluated the prevalence, transmission and evolution of FCoV and CCoV in the Jiangsu and Zhejiang provinces of China in 2025. A universal RT-qPCR assay for FCoV and CCoV was established and used for the detection of 700 clinical samples, including 501 from cats and 199 from dogs. A total of 92 samples (13.14%, 92/700) were detected as positive, containing 79 positive samples (15.76%, 79/501) from cats and 13 positive samples (6.5%, 13/199) from dogs. Ten complete S genes and two complete genomes were obtained from positive samples. Fragment comparison and phylogenetic analysis identified one CCoV-I sequence from a feline sample and one FCoV-II sequence from a canine sample. Furthermore, recombination analyses not only detected intra-species recombination events but also inter-species cross-over events. Collectively, this study, for the first time, revealed that cross-species transmission and recombination events occurred between FCoV and CCoV among companion animals in the Jiangsu-Zhejiang region of China in 2025.
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