Connecticut - Avian influenza in wild birds 2025

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: February 11, 2025
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Connecticut	Middlesex	1/27/2025	2/4/2025	EA H5	Mallard	Wild bird	Live bird
Connecticut	Fairfield	1/23/2025	1/31/2025	EA H5	American black duck	Wild bird	Hunter harvest
Connecticut	New Haven	12/12/2024	1/27/2025	EA H5	Mallard	Wild bird	Live bird
Connecticut	New Haven	12/12/2024	1/27/2025	EA H5	Mallard	Wild bird	Live bird
Connecticut	New Haven	1/8/2025	1/27/2025	EA H5	Ring-necked duck	Wild bird	Hunter harvest
Connecticut	New Haven	1/8/2025	1/27/2025	EA H5	American black duck	Wild bird	Hunter harvest
Connecticut	New Haven	1/8/2025	1/27/2025	EA H5	American black duck	Wild bird	Hunter harvest

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

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: February 25, 2025
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Connecticut

Middlesex

2/11/2025

2/20/2025

EA H5

Red-tailed hawk

Wild bird

Morbidity/Mortality

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

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: March 04, 2025
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification

Connecticut	New London	02/04/2025	02/21/2025	EA H5	Great horned owl	Wild bird
Connecticut	New London	02/04/2025	02/21/2025	EA H5	Red-shouldered hawk	Wild bird
Connecticut	New London	02/04/2025	02/21/2025	EA H5	Ring-billed gull	Wild bird

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

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: April 08, 2025
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification

Connecticut	New Haven	03/18/2025	03/27/2025	EA H5	Mallard	Wild bird	Live bird
Connecticut	New London	03/18/2025	03/27/2025	EA/AM H5N1	Mallard	Wild bird	Live bird

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