H5N1 · Highly Pathogenic Avian Influenza

Tracking bird flu down the flyway.

Official detections in poultry, wild birds, wild mammals, dairy cattle and people — mapped along the migratory routes the virus travels, and listed as they are reported.

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Recent detections

Date ▾ Type Country State / region Locality Affected Source

About this tracker

This is an independent, public-interest tracker of H5 avian influenza (H5N1 "bird flu"). It brings official detections from several agencies into one map and list so anyone can see where the virus is being found — in poultry, wild birds, wild mammals, dairy cattle, and people.

Data sources

Not medical advice. Figures are aggregated from public reports and may lag or be revised by the source agencies. Current human health risk to the general public is assessed by public-health authorities. For guidance, consult the CDC, WHO, or your national/state health department. If you keep birds or work with livestock, report sick or dead animals to your local agriculture authority.