H5N1 Bird Flu Detections across the United States (Backyard and Commercial)
Updated November 29, 2023
This webpage will be updated weekly on Wednesdays to reflect any new data.
Summary
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 Data