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Volume 31, Number 12—December 2025

Dispatch

Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus Infection in Poultry Farm Workers, Washington, USA, 2024

Yasuko Hatta1, Juan A. De La Cruz1, Theresa Murray, Brian Hiatt, Yunho Jang, Julia C. Frederick, Kristine A. Lacek, Juliana C. DaSilva, Dan Cui, Paul Carney, Jimma Liddell, Kay W. Radford, Natasha Burnett, Sabrina Schatzman, Pauline Trinh, Anna Unutzer, Elizabeth A. Pusch, Monique Johnson, Ha T. Nguyen, Benjamin L. Rambo-Martin, Larisa Gubareva, James Stevens, C. Todd Davis, Marie K. Kirby, Allison Black, and Han DiComments to Author 
Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (Y. Hatta, J.A. De La Cruz, Y. Jang, J.C. Frederick, K.A. Lacek, J.C. DaSilva, D. Cui, P. Carney, J. Liddell, K.W. Radford, N. Burnett, S. Schatzman, E.A. Pusch, M. Johnson, H.T. Nguyen, B.L. Rambo-Martin, L. Gubareva, J. Stevens, C.T. Davis, M.K. Kirby, H. Di); Washington State Department of Health, Shoreline, Washington, USA (T. Murray, B. Hiatt, P. Trinh, A. Unutzer, A. Black)

Main Article

Figure 2

Glycan microarray analysis of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus isolated from poultry farm workers, Washington, USA, 2024. Clade 2.3.4.4b genotype D1.1 H5N1 virus A/Washington/240/2024 was isolated from a confirmed Washington human case. Glycans containing α-2,3 sialic acid and α-2,6 sialic acid are shown. Error bars reflect SDs from 6 independent replicates on the microarray. Details of the glycan structures are listed in Appendix Table 2.

Figure 2. Glycan microarray analysis of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus isolated from poultry farm workers, Washington, USA, 2024. Clade 2.3.4.4b genotype D1.1 H5N1 virus A/Washington/240/2024 was isolated from a confirmed Washington human case. Glycans containing α-2,3 sialic acid and α-2,6 sialic acid are shown. Error bars reflect SDs from 6 independent replicates on the microarray. Details of the glycan structures are listed in Appendix Table 2.

Main Article

1These authors contributed equally to this article.

Page created: November 20, 2025
Page updated: December 23, 2025
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