Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus Infection in Domestic Dairy Cattle and Cats, United States, 2024

• Published in: Emerging infectious diseases Vol. 30; no. 7; pp. 1335 - 1343
• Main Authors: Burrough, Eric R., Magstadt, Drew R., Petersen, Barbara, Timmermans, Simon J., Gauger, Phillip C., Zhang, Jianqiang, Siepker, Chris, Mainenti, Marta, Li, Ganwu, Thompson, Alexis C., Gorden, Patrick J., Plummer, Paul J., Main, Rodger
• Format: Journal Article
• Language: English
• Published: United States U.S. National Center for Infectious Diseases 01.07.2024; Centers for Disease Control and Prevention
• Subjects: Agriculture; Animal lactation; Animals; Antibodies; Avian flu; Avian influenza; Avian influenza viruses; Cats; clade 2.3.4.4b; Dairy cattle; Dairy farms; Development and progression; Disease transmission; Distribution; Domestic animals; Expedited; Genetic aspects; H5N1; Health aspects; highly pathogenic avian influenza A(H5N1); HPAI; Illnesses; Infection; influenza; Laboratories; Mammals; Milk production; Phylogenetics; Scientific equipment and supplies industry; Software; Viruses; United States; Texas; Kansas; United States > US; influenza; spillover; viruses; avian influenza; United States; highly pathogenic avian influenza A(H5N1); zoonoses; respiratory infections; H5N1; HPAI; cats; dairy cattle; bovine influenza A; clade 2.3.4.4b

We report highly pathogenic avian influenza A(H5N1) virus in dairy cattle and cats in Kansas and Texas, United States, which reflects the continued spread of clade 2.3.4.4b viruses that entered the country in late 2021. Infected cattle experienced nonspecific illness, reduced feed intake and ruminat...