Outbreaks · Outbreak

Avian Influenza A(H5N5) · United States

First tracked 14 September 2026 · Last updated 25 September 2026

In United States

Bulletin issued

WHO status

5 Dec 2025

Published

See WHO

Figures

WHO reports a first globally confirmed human case of Avian Influenza A(H5N5) in the United States of America, identified in mid-November 2025. This represents the first confirmed human case of influenza A(H5) reported in the country since February 2025. Contact tracing has identified no further cases among contacts, and investigation by U.S. health authorities is ongoing.

Source

WHO Disease Outbreak News ↗

Coverage

via The GDELT Project

News coverage via The GDELT Project · not a source for this event’s data

Coverage not checked yet.

Source: WHO Disease Outbreak News · see WHO for figures