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Volume 29, Number 12—December 2023
Research

Highly Pathogenic Avian Influenza A(H5N1) Virus Clade 2.3.4.4b Infections in Wild Terrestrial Mammals, United States, 2022

Elizabeth J. ElsmoComments to Author , Arno Wünschmann, Kimberlee B. Beckmen, Liam E. Broughton-Neiswanger, Elizabeth L. Buckles, Jayne Ellis, Scott D. Fitzgerald, Robert Gerlach, Shawna Hawkins, Hon S. Ip, Julia S. Lankton, Erin M. Lemley, Julianna B. Lenoch, Mary L. Killian, Kristina Lantz, Lindsey Long, Roger Maes, Marta Mainenti, Julie Melotti, Megan E. Moriarty, Shotaro Nakagun, Rachel M. Ruden, Valerie Shearn-Bochsler, Danielle Thompson, Mia K. Torchetti, Arnaud J. Van Wettere, Annabel G. Wise, and Ailam L. Lim
Author affiliations: University of Wisconsin–Madison School of Veterinary Medicine, Madison, Wisconsin, USA (E.J. Elsmo, S. Hawkins, E.M. Lemley, A.L. Lim); Wisconsin Veterinary Diagnostic Laboratory, Madison (E.J. Elsmo, A.L. Lim); Minnesota Veterinary Diagnostic Laboratory, St. Paul, Minnesota, USA (A. Wünschmann); Alaska Department of Fish and Game, Fairbanks, Alaska, USA (K.B. Beckmen); Washington Animal Disease Diagnostic Laboratory, Pullman, Washington, USA (L.E. Broughton-Neiswanger); New York State Animal Health Diagnostic Center, Ithaca, New York, USA (E.L. Buckles, S. Nakagun); Michigan State University Veterinary Diagnostic Laboratory, Lansing, Michigan, USA (J. Ellis, S.D. Fitzgerald, R. Maes, D. Thompson, A.G. Wise); Alaska Department of Environmental Conservation, Anchorage, Alaska, USA (R. Gerlach); National Wildlife Health Center, Madison (H.S. Ip, J.S. Lankton, V. Shearn-Bochsler); Dane County Humane Society’s Wildlife Center, Madison (E.M. Lemley); US Department of Agriculture National Wildlife Research Center, Fort Collins, Colorado, USA (J.B. Lenoch); US Department of Agriculture Animal and Plant Health Inspection Service, Ames, Iowa, USA (M.L. Killian, K. Lantz, M.K. Torchetti); Wisconsin Department of Natural Resources, Madison (L. Long); Iowa State University Veterinary Diagnostic Laboratory, Ames (M.E. Mainenti, R.M. Ruden); Michigan Department of Natural Resources, Lansing (J. Melotti, M.E. Moriarty); Iowa Department of Natural Resources, Ames (R.M. Ruden); Utah Veterinary Diagnostic Laboratory, Logan, Utah, USA (A.J. Van Wettere)

Main Article

Table 2

Genotype analysis for complete sequences of H5N1 highly pathogenic avian influenza virus from mammal species, including substitutions in the PB2 gene at the consensus and subconsensus level, grouped by species, United States, 2022*

Animal A3 B1.1 B1.2 B2 B3.1 B3.2 B4 Minor 02 Minor 15 Total
Red fox 1 7 6 E627K (1), D701N† (1) 8 E627K† (2), D701N† (1) 4 D701N (1) 6 E627K (1) 1 2 2 37
Skunk 4 4
Raccoon 1 E627K† (1) 1 E627K (1) 2
Opossum 2 2
Bobcat 1 1
Coyote 1 D701N† (1) 1
Fisher 1 1
Total 1 9 8 9 4 12 1 2 2 48

*Values are no. detections of PB2 substitutions. PB2, polymerase basic protein 2. †Substitutions were detected at the PB2 subconsensus level (mixed); those without a dagger were detected at the consensus level.

Main Article

Page created: October 31, 2023
Page updated: November 18, 2023
Page reviewed: November 18, 2023
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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