Peer-reviewed veterinary case report
Highly pathogenic avian influenza H5N1 infection in cats in South
By Kang, Yong-Myung et al.·Published in Emerging infectious diseases·2024·View original on PubMed →
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Original publication title: Highly Pathogenic Avian Influenza A(H5N1) Virus Infection in Cats, South Korea, 2023.
- Species:
- cat
Plain-English summary
In July 2023, several stray cats in Seoul, South Korea, became seriously ill and died after eating raw duck meat that was contaminated with a dangerous strain of avian influenza (H5N1). The cats showed severe symptoms due to the virus spreading throughout their bodies. Unfortunately, postmortem examinations revealed widespread damage in their organs caused by the infection. This situation highlights the risks of feeding cats raw meat, especially if it is not properly sterilized, as it can lead to severe health issues and even death.
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Abstract
In July 2023, cases of highly pathogenic avian influenza (HPAI) were reported at 2 shelters for stray cats in Seoul, South Korea. The cause of infection was suspected to be improperly sterilized raw food made from domestic duck meat, which was manufactured in South Korea. All viruses isolated from cats at the shelters and from the raw food belonged to HPAI A(H5N1) clade 2.3.4.4b. The gene constellation of all viruses was most similar to that of viruses isolated in Korea in November 2022. Of note, the viruses isolated from infected cats harbored mutations E627K or D701N in polymerase basic 2, which are indicative of adaptation to mammals. Postmortem examination revealed systemic pathologic lesions and the presence of widespread virus in different tissues. Thus, consumption of raw duck meat contaminated with HPAI virus likely caused systemic symptoms and death in cats, indicating the introduction of mammal-adapted mutations of the virus.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39499954/