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Volume 28, Number 5—May 2022
Dispatch

Intercontinental Movement of Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4 Virus to the United States, 2021

Sarah N. Bevins1Comments to Author , Susan A. Shriner1, James C. Cumbee, Krista E. Dilione, Kelly E. Douglass, Jeremy W. Ellis, Mary Lea Killian, Mia K. Torchetti, and Julianna B. Lenoch
Author affiliations: US Department of Agriculture National Wildlife Research Center, Fort Collins, Colorado, USA (S.N. Bevins, S.A. Shriner); US Department of Agriculture National Wildlife Disease Program, Fort Collins (K.E. Dilione, J.B. Lenoch); US Department of Agriculture Wildlife Services, Columbia, South Carolina, USA (J.C. Cumbee Jr); US Department of Agriculture Wildlife Services, Raleigh, North Carolina, USA (K.E. Douglass); US Department of Agriculture Veterinary Services, Ames, Iowa, USA (M.L. Killian, M.K. Torchetti)

Main Article

Table

Detetections of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4 virus in wild birds, United States, December 30, 2021‒March 3, 2022*

State
 Wild bird species
 No. clade 2.3.4.4 detections
Alabama
 American wigeon
 1
Connecticut Mallard 21
American black duck
 9
Delaware American wigeon 1
Gadwall 1
Northern shoveler 5
American black duck
 1
Florida
 Blue-winged teal
 2
Georgia American wigeon 1
Gadwall
 1
Kentucky Gadwall 4
Mallard
 4
Maine
 American black duck
 6
New Hampshire
 Mallard
 49
New Jersey
 Mallard
 21
North Carolina American green-winged teal 34
American wigeon 53
Gadwall 19
Mallard 14
Northern pintail 4
Northern shoveler 8
Wood duck
 3
South Carolina American wigeon 7
Blue-winged teal 9
Gadwall 7
Northern shoveler
 1
Tennessee
 Wood duck
 2
Virginia American green-winged teal 2
Gadwall 1
Mallard
 1
Total detections 292

*All samples collected were in conjunction with the US Department of Agriculture Wildlife Services National Wildlife Disease Program.

Main Article

1These authors contributed equally to this article.

Page created: March 10, 2022
Page updated: April 19, 2022
Page reviewed: April 19, 2022
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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