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Disclaimer: Early release articles are not considered as final versions. Any changes will be reflected in the online version in the month the article is officially released.

Volume 31, Number 8—August 2025

Dispatch

Isolation of Highly Pathogenic Avian Influenza A(H5N1) Virus from Cat Urine after Raw Milk Ingestion, United States

Elisha A. FryeComments to Author , Mohammed Nooruzzaman, Brittany Cronk, Melissa Laverack, Pablo Sebastian Britto de Oliveira, Leonardo C. Caserta, Manigandan Lejeune, and Diego G. DielComments to Author 
Author affiliation: Cornell University College of Veterinary Medicine, Animal Health Diagnostic Center, Ithaca, New York, USA

Main Article

Figure 2

Timeline of events in domestic cats after exposure to highly pathogenic avian influenza A(H5N1) virus through consuming commercial raw milk contaminated with the virus, United States. Cats 1 and 2 died 10–12 days after initial exposure. Cat 3 showed characteristic clinical signs of H5N1 virus infection, was hospitalized and received supportive care including antiviral treatment (oseltamivir), and recovered from infection. Cat 4 did not consume milk and remained healthy throughout the outbreak. Figure created using BioRender (https://www.biorender.com). VI, virus isolation; VN, virus neutralization.

Figure 2. Timeline of events in domestic cats after exposure to highly pathogenic avian influenza A(H5N1) virus through consuming commercial raw milk contaminated with the virus, United States. Cats 1 and 2 died 10–12 days after initial exposure. Cat 3 showed characteristic clinical signs of H5N1 virus infection, was hospitalized and received supportive care including antiviral treatment (oseltamivir), and recovered from infection. Cat 4 did not consume milk and remained healthy throughout the outbreak. Figure created using BioRender (https://www.biorender.com). VI, virus isolation; VN, virus neutralization.

Main Article

Page created: July 16, 2025
Page updated: July 16, 2025
Page reviewed: July 16, 2025
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