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US H5N1 Avian Flu in Domestic Cats List

As of September 30, 2025, 1 more domestic cat has been infected with avian influenza H5N1, for a total of 146 (sorted by state):​

Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: September 30, 2025

California Los Angeles 9/19/2025 9/23/2025 EA H5N1 Domestic cat​
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA H5 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Orange 1/16/2025 4/2/2025 EA H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA H5N1 Domestic cat

Colorado Weld 4/4/2025 4/15/2025 EA H5 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA H5 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA H5 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA H5 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA H5 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA H5 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA H5N1 Domestic cat

Illinois Bond 3/21/2025 3/25/2025 EA H5 Domestic cat

Iowa Cass 3/24/2025 3/26/2025 EA H5 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA H5 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA H5 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA H5 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA H5 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/23/2024 6/3/2024 EA H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA H5N1 Domestic cat

Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA H5N1 Domestic cat

New Jersey Mercer 6/30/2025 7/3/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA H5 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA H5 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA H5 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA H5 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA H5 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat

Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat​
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat

Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington King 2/22/2025 2/28/2025 EA H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA H5N1 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat​​​​

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

--------------------------------------------------------------
See also:

Hat tip to Commonground:

County of Los Angeles Public Health

Animal Health Alert: H5 Bird Flu confirmed in Los Angeles County in another domestic cat that consumed commercially available raw pet food​

Go to post​
 
As of December 09, 2025, 1 more domestic cat has been infected with avian influenza H5N1, for a total of 147.

Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: December 09, 2025
...
image.png - Click image for larger version Name: image.png Views: 1 Size: 20.7 KB ID: 1025354
​...

https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/mammals
 
As of January 28, 2026, 1 more domestic cat has been infected with avian influenza H5N1, for a total of 149


Hat tip to Commonground

Grant County Reports Bird Flu Activity

Media Releases
Posted on January 27, 2026

GRANT COUNTY, WA – A domestic cat and a backyard poultry flock from two separate Grant County households have tested positive for avian influenza (bird flu) in the past month. Grant County Health District (GCHD) and Washington State Department of Agriculture have been working closely with the animal owners to provide guidance, testing, and offer preventive treatment. To date, there have been no human infections in Grant County.

The domestic cat was an outdoor pet and likely had contact with a wild bird that was infected with bird flu. Wild animals can carry diseases that may make companion animals sick. Pets that spend time outdoors are at higher risk of exposure to infectious diseases compared to animals kept indoors. This situation is not related to contaminated pet food.
...

https://granthealth.org/m/newsflash/home/detail/120
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Detections of Highly Pathogenic Avian Influenza in Mammals


Last Modified: January 28, 2026​

​
image.png

​https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/mammals
 
As of February 03, 2026, 2 more domestic cats have been infected with avian influenza, for a total of 151 (sorted by state):​

Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: February 03, 2026

​​State County Date Collected Date Detected HPAI Strain Species

​California Los Angeles 9/19/2025 9/23/2025 EA/AM H5N1 Domestic cat
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA/AM H5N1 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA/AM H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA/AM H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA/AM H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA/AM H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA/AM H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA/AM H5N1 Domestic cat

Colorado Denver 11/25/2025 12/22/2025 EA/AM H5N1 Domestic cat
Colorado Weld 4/4/2025 4/15/2025 EA/AM H5N1 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA/AM H5N1 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA/AM H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA/AM H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA/AM H5N1 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat

Illinois Knox 12/23/2025 1/21/2026 EA/AM H5N1 Domestic cat
Illinois Bond 3/21/2025 3/25/2025 EA/AM H5N1 Domestic cat

Iowa Cass 3/24/2025 3/26/2025 EA/AM H5N1 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA/AM H5N1 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA/AM H5N1 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Caddo 1/23/2026 2/2/2026 EA H5 Domestic cat
Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA/AM H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA/AM H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA/AM H5N1 Domestic cat

Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA/AM H5N1 Domestic cat

New Jersey Union 6/30/2025 7/3/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA/AM H5N1 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA/AM H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA/AM H5N1 Domestic cat

North Dakota Kidder 11/4/2025 11/21/2025 EA/AM H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA/AM H5N1 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA/AM H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA/AM H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA/AM H5N1 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat

Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat

Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington Grant 1/9/2026 1/20/2026 EA H5 Domestic cat
Washington King 2/22/2025 2/28/2025 EA/AM H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA/AM H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA/AM H5N1 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat

Showing 151 to 151 of 151 entries (filtered from 696 total entries)​

https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/mammals
 
As of February 12, 2026, 2 more domestic cats have been infected with avian influenza, for a total of 153 (sorted by state)

Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: February 12, 2026

​​State County Date Collected Date Detected HPAI Strain Species

​California Los Angeles 9/19/2025 9/23/2025 EA/AM H5N1 Domestic cat
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA/AM H5N1 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA/AM H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA/AM H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA/AM H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA/AM H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA/AM H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA/AM H5N1 Domestic cat

Colorado Denver 11/25/2025 12/22/2025 EA/AM H5N1 Domestic cat
Colorado Weld 4/4/2025 4/15/2025 EA/AM H5N1 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA/AM H5N1 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA/AM H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA/AM H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA/AM H5N1 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat

Illinois Knox 12/23/2025 1/21/2026 EA/AM H5N1 Domestic cat
Illinois Bond 3/21/2025 3/25/2025 EA/AM H5N1 Domestic cat

Iowa Cass 3/24/2025 3/26/2025 EA/AM H5N1 Domestic cat
Iowa Bremer 2/12/2025 5/16/2025 EA/AM H5N1 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA/AM H5N1 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA/AM H5N1 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Caddo 1/23/2026 2/2/2026 EA H5 Domestic cat
Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA/AM H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA/AM H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA/AM H5N1 Domestic cat

Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA/AM H5N1 Domestic cat


New Jersey Burlington 1/7/2026 2/3/2026 EA/H5N1 Domestic cat
New Jersey Union 6/30/2025 7/3/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA/AM H5N1 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA/AM H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA/AM H5N1 Domestic cat

North Dakota Kidder 11/4/2025 11/21/2025 EA/AM H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA/AM H5N1 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA/AM H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA/AM H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA/AM H5N1 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat

Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat

Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington Grant 1/9/2026 1/20/2026 EA H5 Domestic cat
Washington King 2/22/2025 2/28/2025 EA/AM H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA/AM H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA/AM H5N1 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat

Total = 153

https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/mammals
 
Last edited:
As of March 25, 2026, 1 more domestic cat has been infected with avian influenza, for a total of 154 (sorted by state)

Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: March 25, 2026

​​State County Date Collected Date Detected HPAI Strain Species

​California Los Angeles 9/19/2025 9/23/2025 EA/AM H5N1 Domestic cat
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA/AM H5N1 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA/AM H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA/AM H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA/AM H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA/AM H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA/AM H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA/AM H5N1 Domestic cat

Colorado Denver 11/25/2025 12/22/2025 EA/AM H5N1 Domestic cat
Colorado Weld 4/4/2025 4/15/2025 EA/AM H5N1 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA/AM H5N1 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA/AM H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA/AM H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA/AM H5N1 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat

Illinois Knox 12/23/2025 1/21/2026 EA/AM H5N1 Domestic cat
Illinois Bond 3/21/2025 3/25/2025 EA/AM H5N1 Domestic cat

Iowa Cass 3/24/2025 3/26/2025 EA/AM H5N1 Domestic cat
Iowa Bremer 2/12/2025 5/16/2025 EA/AM H5N1 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA/AM H5N1 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA/AM H5N1 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Caddo 1/23/2026 2/2/2026 EA H5 Domestic cat
Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA/AM H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA/AM H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA/AM H5N1 Domestic cat

Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA/AM H5N1 Domestic cat


New Jersey Burlington 1/7/2026 2/3/2026 EA/H5N1 Domestic cat
New Jersey Union 6/30/2025 7/3/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA/AM H5N1 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA/AM H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA/AM H5N1 Domestic cat

North Dakota Kidder 11/4/2025 11/21/2025 EA/AM H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA/AM H5N1 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA/AM H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA/AM H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA/AM H5N1 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat

Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat

Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington Grant 1/9/2026 1/20/2026 EA H5 Domestic cat
Washington King 2/22/2025 2/28/2025 EA/AM H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA/AM H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA/AM H5N1 Domestic cat

​Wisconsin Jefferson 3/5/2026 3/18/2026 EA H5 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat


154 entries (filtered from 752 total entries)

https://www.aphis.usda.gov/livestoc...vian-influenza/hpai-detections/mammals?page=1
 
As of April 1, 2026, one additional domestic cat has tested positive for avian influenza in New Jersey and 4 cases (previously listed as 5) are now reported in Hartley County, Texas. This brings the nationwide total to 154 confirmed cases in domestic cats (sorted by state):

Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: April 01, 2026​
...
State County Date Collected Date Detected HPAI Strain Species
​
California Los Angeles 9/19/2025 9/23/2025 EA/AM H5N1 Domestic cat
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA/AM H5N1 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA/AM H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA/AM H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA/AM H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA/AM H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA/AM H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA/AM H5N1 Domestic cat

Colorado Denver 11/25/2025 12/22/2025 EA/AM H5N1 Domestic cat
Colorado Weld 4/4/2025 4/15/2025 EA/AM H5N1 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA/AM H5N1 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA/AM H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA/AM H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA/AM H5N1 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat

Illinois Knox 12/23/2025 1/21/2026 EA/AM H5N1 Domestic cat
Illinois Bond 3/21/2025 3/25/2025 EA/AM H5N1 Domestic cat

Iowa Bremer 2/12/2025 5/16/2025 EA/AM H5N1 Domestic cat
Iowa Cass 3/24/2025 3/26/2025 EA/AM H5N1 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA/AM H5N1 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA/AM H5N1 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Caddo 1/23/2026 2/2/2026 EA/AM H5N1 Domestic cat
Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA/AM H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA/AM H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA/AM H5N1 Domestic cat

Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA/AM H5N1 Domestic cat

New Jersey Essex 3/13/2026 3/26/2026 EA H5 Domestic cat
New Jersey Burlington 1/7/2026 2/3/2026 EA/AM H5N1 Domestic cat
New Jersey Union 6/30/2025 7/3/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA/AM H5N1 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA/AM H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA/AM H5N1 Domestic cat

North Dakota Kidder 11/4/2025 11/21/2025 EA/AM H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA/AM H5N1 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA/AM H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA/AM H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA/AM H5N1 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat

Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat

Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington Grant 1/9/2026 1/20/2026 EA/AM H5N1 Domestic cat
Washington King 2/22/2025 2/28/2025 EA/AM H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA/AM H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA/AM H5N1 Domestic cat

Wisconsin Jefferson 3/5/2026 3/18/2026 EA H5 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat

154 of 154 entries (filtered from 746 total entries)​

https://www.aphis.usda.gov/livestoc...vian-influenza/hpai-detections/mammals?page=1
 
As of July 31, 2026, one additional domestic cat has tested positive for avian influenza in Utah. This brings the nationwide total to 155 confirmed cases in domestic cats. (sorted by state)
​
Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: July 31, 2026​
...
State County Date Collected Date Detected HPAI Strain Species

​California Los Angeles 9/19/2025 9/23/2025 EA/AM H5N1 Domestic cat
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA/AM H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA/AM H5N1 Domestic cat

Colorado Denver 11/25/2025 12/22/2025 EA/AM H5N1 Domestic cat
Colorado Weld 4/4/2025 4/15/2025 EA/AM H5N1 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA/AM H5N1 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA/AM H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA/AM H5N1 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat

Illinois Knox 12/23/2025 1/21/2026 EA/AM H5N1 Domestic cat
Illinois Bond 3/21/2025 3/25/2025 EA/AM H5N1 Domestic cat

Iowa Cass 3/24/2025 3/26/2025 EA/AM H5N1 Domestic cat
Iowa Bremer 2/12/2025 5/16/2025 EA/AM H5N1 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA/AM H5N1 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA/AM H5N1 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Caddo 1/23/2026 2/2/2026 EA/AM H5N1 Domestic cat
Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Clinton 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA/AM H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA/AM H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat

Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA/AM H5N1 Domestic cat

New Jersey Essex 3/13/2026 3/26/2026 EA/AM H5N1 Domestic cat
New Jersey Burlington 1/7/2026 2/3/2026 EA/AM H5N1 Domestic cat
New Jersey Union 6/30/2025 7/3/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA/AM H5N1 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA/AM H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA/AM H5N1 Domestic cat

North Dakota Kidder 11/4/2025 11/21/2025 EA/AM H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA/AM H5N1 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA/AM H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA/AM H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA/AM H5N1 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat

Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat

Utah Cache 7/15/2026 7/29/2026 EA H5N1 Domestic cat
Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington Grant 1/9/2026 1/20/2026 EA/AM H5N1 Domestic cat
Washington King 2/22/2025 2/28/2025 EA/AM H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA/AM H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA/AM H5N1 Domestic cat

Wisconsin Jefferson 3/5/2026 3/18/2026 EA/AM H5N1 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat

...155 of 155 entries (filtered from 816 total entries)

https://www.aphis.usda.gov/livestoc...an-influenza/hpai-detections/mammals?page=1​​
 
As of August 21, 2026, one additional domestic cat has tested positive for avian influenza in Utah. This brings the nationwide total to 156 confirmed cases in domestic cats. (sorted by state)
​
Detections of Highly Pathogenic Avian Influenza in Mammals

Last Modified: August 21, 2026​
...
State County Date Collected Date Detected HPAI Strain Species

​California Los Angeles 9/19/2025 9/23/2025 EA/AM H5N1 Domestic cat
California San Francisco 7/13/2025 8/29/2025 EA/AM H5N1 Domestic cat
California San Mateo 1/29/2025 2/5/2025 EA/AM H5N1 Domestic cat
California Imperial 1/22/2025 2/20/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Orange 1/16/2025 4/2/2025 EA/AM H5N1 Domestic cat
California Contra Costa 1/15/2025 1/24/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Los Angeles 1/8/2025 1/15/2025 EA/AM H5N1 Domestic cat
California Alameda 12/30/2024 4/4/2025 EA H5 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/26/2024 12/31/2024 EA H5N1 Domestic cat
California Santa Barbara 12/17/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/14/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Santa Barbara 12/12/2024 1/2/2025 EA/AM H5N1 Domestic cat
California Alameda 12/11/2024 6/16/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Shasta 12/11/2024 3/14/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 12/23/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
California Fresno 12/9/2024 12/17/2024 EA/AM H5N1 Domestic cat
California Los Angeles 12/6/2024 12/27/2024 EA/AM H5N1 Domestic cat
California San Bernardino 12/4/2024 12/10/2024 EA/AM H5N1 Domestic cat
California Tulare 11/22/2024 12/3/2024 EA/AM H5N1 Domestic cat

Colorado Denver 11/25/2025 12/22/2025 EA/AM H5N1 Domestic cat
Colorado Weld 4/4/2025 4/15/2025 EA/AM H5N1 Domestic cat
Colorado Morgan 3/25/2025 3/31/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Jefferson 3/16/2025 3/21/2025 EA/AM H5N1 Domestic cat
Colorado Garfield 2/11/2025 2/24/2025 EA/AM H5N1 Domestic cat
Colorado Adams 1/31/2025 2/14/2025 EA/AM H5N1 Domestic cat
Colorado Douglas 1/26/2025 1/31/2025 EA/AM H5N1 Domestic cat
Colorado Kit Carson 12/11/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Adams 12/10/2024 1/3/2025 EA/AM H5N1 Domestic cat
Colorado Larimer 7/24/2024 7/29/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/16/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/14/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Larimer 7/12/2024 7/22/2024 EA/AM H5N1 Domestic cat
Colorado Adams 5/30/2024 6/24/2024 EA H5N1 Domestic cat
Colorado Morgan 5/25/2024 6/6/2024 EA/AM H5N1 Domestic cat

Idaho Ada 4/15/2025 4/29/2025 EA/AM H5N1 Domestic cat
Idaho Oneida 2/21/2025 3/4/2025 EA/AM H5N1 Domestic cat
Idaho Jerome 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat

Illinois Knox 12/23/2025 1/21/2026 EA/AM H5N1 Domestic cat
Illinois Bond 3/21/2025 3/25/2025 EA/AM H5N1 Domestic cat

Iowa Cass 3/24/2025 3/26/2025 EA/AM H5N1 Domestic cat
Iowa Bremer 2/12/2025 5/16/2025 EA/AM H5N1 Domestic cat
Iowa Hamilton 1/8/2025 1/13/2025 EA/AM H5N1 Domestic cat

Kansas Crawford 3/21/2025 3/27/2025 EA/AM H5N1 Domestic cat
Kansas Reno 3/20/2025 3/21/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 2/27/2025 3/7/2025 EA/AM H5N1 Domestic cat
Kansas Rooks 2/7/2025 2/19/2025 EA/AM H5N1 Domestic cat
Kansas Pottawatomie 1/9/2025 1/14/2025 EA/AM H5N1 Domestic cat

Louisiana Caddo 1/23/2026 2/2/2026 EA/AM H5N1 Domestic cat
Louisiana Orleans 1/7/2025 1/14/2025 EA H5N1 Domestic cat

Michigan Clinton 5/23/2024 6/3/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 5/20/2024 6/4/2024 EA/AM H5N1 Domestic cat
Michigan Clinton 5/17/2024 5/23/2024 EA/AM H5N1 Domestic cat
Michigan Ionia 4/25/2024 5/2/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/19/2024 5/17/2024 EA/AM H5N1 Domestic cat
Michigan Isabella 4/19/2024 4/24/2024 EA/AM H5N1 Domestic cat
Michigan Ottawa 4/18/2024 7/5/2024 EA/AM H5N1 Domestic cat

Minnesota Cottonwood 12/9/2024 1/2/2025 EA/AM H5N1 Domestic cat
Minnesota Morrison 12/6/2024 12/18/2024 EA H5N1 Domestic cat
Minnesota Kandiyohi 6/18/2024 6/21/2024 EA/AM H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA/AM H5N1 Domestic cat
Minnesota Sibley 6/10/2024 6/27/2024 EA H5 Domestic cat

Montana Yellowstone 3/19/2024 4/26/2024 EA/AM H5N1 Domestic cat
Montana Flathead 12/5/2023 2/10/2025 EA/AM H5N1 Domestic cat
Montana Missoula 11/22/2023 11/28/2023 EA/AM H5N1 Domestic cat
Montana Yellowstone 4/8/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Treasure 2/9/2023 2/12/2024 EA/AM H5N1 Domestic cat
Montana Sanders 11/12/2022 2/12/2024 EA H5N1 Domestic cat

Nebraska Buffalo 3/30/2023 4/3/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/21/2023 1/27/2023 EA/AM H5N1 Domestic cat
Nebraska Madison 1/10/2023 1/13/2023 EA/AM H5N1 Domestic cat

New Jersey Essex 3/13/2026 3/26/2026 EA/AM H5N1 Domestic cat
New Jersey Burlington 1/7/2026 2/3/2026 EA/AM H5N1 Domestic cat
New Jersey Union 6/30/2025 7/3/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/26/2025 3/4/2025 EA H5 Domestic cat
New Jersey Hunterdon 2/24/2025 2/27/2025 EA/AM H5N1 Domestic cat
New Jersey Hunterdon 2/21/2025 2/25/2025 EA/AM H5N1 Domestic cat

New Mexico Curry 2/11/2025 2/18/2025 EA H5 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/17/2024 5/17/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/20/2024 4/1/2024 EA/AM H5N1 Domestic cat
New Mexico Curry 3/19/2024 4/15/2024 EA/AM H5N1 Domestic cat

New York Kings 3/6/2025 3/13/2025 EA/AM H5N1 Domestic cat
New York Kings 2/24/2025 3/11/2025 EA/AM H5N1 Domestic cat

North Dakota Kidder 11/4/2025 11/21/2025 EA/AM H5N1 Domestic cat

Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Franklin 2/14/2025 3/31/2025 EA/AM H5N1 Domestic cat
Ohio Wood 4/9/2024 4/15/2024 EA/AM H5N1 Domestic cat

Oklahoma Woodward 3/15/2025 3/18/2025 EA/AM H5N1 Domestic cat
Oklahoma Harmon 3/20/2024 4/17/2024 EA/AM H5N1 Domestic cat

Oregon Multnomah 7/1/2025 7/8/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/19/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/18/2025 2/27/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/14/2025 2/21/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Clackamas 2/12/2025 2/18/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/5/2025 2/11/2025 EA/AM H5N1 Domestic cat
Oregon Multnomah 2/3/2025 2/10/2025 EA/AM H5N1 Domestic cat
Oregon Washington 1/9/2025 1/17/2025 EA/AM H5N1 Domestic cat
Oregon Washington 12/4/2024 12/19/2024 EA/AM H5N1 Domestic cat
Oregon Linn 12/27/2022 1/3/2023 EA/AM H5N1 Domestic cat
Oregon Linn 12/19/2022 12/23/2022 EA/AM H5N1 Domestic cat

Pennsylvania Berks 3/19/2025 3/26/2025 EA/AM H5N1 Domestic cat

South Dakota Aurora 5/6/2025 5/15/2025 EA/AM H5N1 Domestic cat
South Dakota Gregory 1/27/2025 2/4/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Faulk 1/16/2025 1/23/2025 EA/AM H5N1 Domestic cat
South Dakota Lake 12/30/2024 1/13/2025 EA/AM H5N1 Domestic cat
South Dakota Brookings 12/26/2024 12/31/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Campbell 4/19/2024 4/30/2024 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat
South Dakota Jerauld 10/7/2023 11/14/2023 EA/AM H5N1 Domestic cat

Texas Ochiltree 3/15/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Potter 3/10/2025 3/21/2025 EA/AM H5N1 Domestic cat
Texas Bexar 3/6/2025 8/1/2025 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hale 3/22/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/20/2024 3/25/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat
Texas Hartley 3/19/2024 5/7/2024 EA/AM H5N1 Domestic cat

Utah Cache 8/10/2026 8/17/2026 EA H5N1 Domestic cat
Utah Cache 7/15/2026 7/29/2026 EA H5N1 Domestic cat
Utah Cache 10/30/2024 12/13/2024 EA/AM H5N1 Domestic cat

Washington Grant 1/9/2026 1/20/2026 EA/AM H5N1 Domestic cat
Washington King 2/22/2025 2/28/2025 EA/AM H5N1 Domestic cat
Washington King 2/19/2025 2/25/2025 EA/AM H5N1 Domestic cat
Washington Snohomish 2/18/2025 2/25/2025 EA/AM H5N1 Domestic cat

Wisconsin Jefferson 3/5/2026 3/18/2026 EA/AM H5N1 Domestic cat

Wyoming Hot Springs 3/22/2023 3/30/2023 EA/AM H5N1 Domestic cat

...156 of 156 entries (filtered from 816 total entries)

https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/mammals?page=1​
 
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