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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 22, 2025
Page reviewed: July 22, 2025
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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