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Volume 30, Number 7—July 2024
Research

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

Eric R. BurroughComments to Author , Drew R. Magstadt, Barbara Petersen, Simon J. Timmermans, Phillip C. Gauger, Jianqiang Zhang, Chris Siepker, Marta Mainenti, Ganwu Li, Alexis C. Thompson, Patrick J. Gorden, Paul J. Plummer, and Rodger Main
Author affiliations: Iowa State University College of Veterinary Medicine, Ames, Iowa, USA (E.R. Burrough, D.R. Magstadt, P.C. Gauger, J. Zhang, C. Siepker, M. Mainenti, G. Li, P.J. Gorden, P.J. Plummer, R. Main); Sunrise Veterinary Service PLLC, Amarillo, Texas, USA (B. Petersen); Veterinary Research & Consulting Services LLC, Hays, Kansas, USA (S.J. Timmermans); Texas A&M Veterinary Medical Diagnostic Laboratory, College Station, Texas, USA (A.C. Thompson)

Main Article

Figure 3

Phylogenetic analysis of hemagglutinin gene sequences in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Colors indicate different clades. Red text indicates the virus gene sequences from bovine milk and cats described in this report, confirming those viruses are highly similar and belong to H5 clade 2.3.4.4b. The hemagglutinin sequences from this report are most closely related to A/avian/Guanajuato/CENAPA-18539/2023|EPI_ISL_18755544|A_/_H5 (GISAID, https://www.gisaid.org) and have 99.66%–99.72% nucleotide identities.

Figure 3. Phylogenetic analysis of hemagglutinin gene sequences in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Colors indicate different clades. Red text indicates the virus gene sequences from bovine milk and cats described in this report, confirming those viruses are highly similar and belong to H5 clade 2.3.4.4b. The hemagglutinin sequences from this report are most closely related to A/avian/Guanajuato/CENAPA-18539/2023|EPI_ISL_18755544|A_/_H5 (GISAID, https://www.gisaid.org) and have 99.66%–99.72% nucleotide identities.

Main Article

Page created: April 29, 2024
Page updated: June 22, 2024
Page reviewed: June 22, 2024
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