H5N1 Bird Flu Detections across the United States (Backyard and Commercial)

Updated May 20, 2022


Counties Affected

Instructions: Counties that have reported bird flu outbreaks are marked in purple. On the map, select a state that has an outbreak to zoom in. More information is available about the outbreak by hovering over with the mouse (desktop) or tapping (mobile) the affected county. Download Dataexcel icon

Data Table

This data table contains information about bird flu outbreaks involving commercial poultry facilities, backyard poultry and hobbyist bird flocks in the United States. This data is provided by U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) and is published and updated regularly on its website at USDA APHISexternal icon. Data is provided by state, county, outbreak date, flock type and flock size.

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