Last Modified: Marzo 20, 2025
workers walking through a poultry facility amidst a chicken flock

The U.S. Department of Agriculture (USDA) is working with Federal, State, and industry partners to combat highly pathogenic avian influenza (HPAI) and protect the U.S. poultry industry. 

As the situation evolves, we will continue to post updated information below.

Announcements

3/20/25
USDA Announces Next Steps in the Effort to Support the Fight Against Avian Influenza 
3/19/25
USDA Announces Biosecurity Assessments and Audits to Support Avian Influenza Prevention
3/17/25
APHIS Confirms H7N9 Highly Pathogenic Avian Influenza (HPAI) in a U.S. Flock
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Situation Updates

HPAI Detections in Commercial and Backyard Flocks
HPAI Detections in Wild Birds
Human Health and H5N1 Bird Flu

Reports and Assessments

DateTitle
5/9/242022–2023 HPAI Outbreak: Summary of Depopulation Methods and the Impact on Lateral Spread (700.6 KB) 
6/1/23Epidemiologic and Other Analyses of HPAI-Affected Poultry Flocks: June 2023 Interim Report (4.35 MB)
7/1/22Epidemiologic and Other Analyses of HPAI-Affected Poultry Flocks: July 2022 Interim Report (4.46 MB)
5/31/222022 HPAI Epidemiological Interim Report Summary (243.01 KB)