Detections of Highly Pathogenic Avian Influenza in Wild Birds - USDA

Name: Detections of Highly Pathogenic Avian Influenza in Wild Birds - USDA
Published: 2025-04-16
License: https://creativecommons.org/licenses/by/4.0

Principal Investigator(s): View help for Principal Investigator(s) United States Department of Agriculture

Version: View help for Version V1

Name	File Type	Size	Last Modified
Detections of Highly Pathogenic Avian Influenza in Wild Birds 2022-2025 - USDA - APHIS			04/16/2025 09:11:PM

Project Citation:

United States Department of Agriculture. Detections of Highly Pathogenic Avian Influenza in Wild Birds - USDA. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2025-04-16. https://doi.org/10.3886/E226961V1

Project Description

Project Title: Detections of Highly Pathogenic Avian Influenza in Wild Birds - USDA

Summary:

Wild birds can be infected with highly pathogenic avian influenza (HPAI) and show no signs of illness. They can carry the disease to new areas when migrating, potentially exposing domestic poultry to the virus. APHIS’ wild bird surveillance program provides an early warning system for the introduction and distribution of avian influenza viruses of concern in the United States, allowing APHIS and the poultry industry to take timely and rapid action to reduce the risk of spread to our poultry industry and other populations of concern.

Original Distribution URL: https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

Scope of Project

Subject Terms: bird flu; avian influenza; HPAI; H5N1; poultry

Geographic Coverage: United States

Time Period(s): 1/1/2022 – 4/3/2025

Collection Date(s): 12/30/2021 – 3/14/2025

Data Type(s): text

Collection Notes: Captive wild birds, defined by the World Organisation for Animal Health (WOAH) as a wild animal that is captive or otherwise lives under or requires human supervision or control, are included in the numbers reported on this page. Captive wild birds, including sick wild birds that may have died after being found and taken to a rehabilitator or sanctuary, will have the designation of “captive wild bird” in the WOAH Classification column. To remain consistent with current reporting, information will continue to be broken down to the county level. To protect privacy, private or business names will not be released. This is consistent with current reporting of wild birds as well as commercial and backyard flocks.

The detection date is the date of National Veterinary Services Laboratories confirmatory testing. APHIS will provide updates below when there are significant differences between sample collection and detection dates.

Methodology

Sampling: Sampling Sources:
AK DFG = Alaska Department of Fish and Game
CA DFW = California Department of Fish and Wildlife
DOI = Department of the Interior
FL FWCC = Florida Fish and Wildlife Conservation Commission
GA DNR = Georgia Department of Natural Resources
IA DNR = Iowa Department of Natural Resources
ID Fish and Game = Idaho Fish & Game
KS DWP = Kansas Department of Wildlife and Parks
KY DFW = Kentucky Department of Fish and Wildlife
LA DWF = Louisiana Department of Wildlife and Fisheries
MA DFW = Massachusetts Department of Fish and Wildlife
MD DNR = Maryland Department of Natural Resources
ME DIFW = Maine Department of Inland Fisheries and Wildlife
MN DNR = Minnesota Department of Natural Resources
MO DOC = Missouri Department of Conservation
MT FWP = Montana Fish, Wildlife, and parks
NC WRC = North Carolina Wildlife Resources Commission
ND Game and Fish = North Dakota Game and Fish
NE Dept of Ag = Nebraska Department of Agriculture
NH FGD = New Hampshire Fish and Game Department
NPS = DOI National Park Service
NV DOW = Nevada Division of Wildlife
NWDP = USDA Wildlife Services National Wildlife Disease Program
NY DEC = New York State Department of Environmental Conservation
NY State Dept of Ag and Markets = New York State Department of Agriculture and Markets
OH DNR = Ohio Department of Natural Resources
PA Game Commission = Pennsylvania Game Commission
SC DNR = South Carolina Department of Natural Resources
SCWDS = Southeastern Cooperative Wildlife Disease Study
SD GFP = South Dakota Game, Fish, and Parks
USACE = U.S. Army Corps of Engineers
USFWS = DOI U.S. Fish and Wildlife Service
USGS = U.S. Geological Survey National Wildlife Health Center
VA DWR = Virginia Department of Wildlife Resources
WA DFW = Washington Department of Fish and Wildlife
WI DNR = Wisconsin Department of Natural Resources

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