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March 12, 2025

Toni Aguilar Rosenthal and Julian Scoffield

Blog Post AgricultureHealth

Bird Flu (H5N1) Tracker

“Bird Flu” is the colloquial term for Avian Influenza A (H5N1) which is a viral infection that primarily infects birds but has been known to spread in some mammals, including cows, cats, and humans. H5N1 is known to be highly contagious between birds, and 2024 saw the first highly pathogenic strain of H5N1 spreading amongst U.S. cattle, as well as dozens of infections of humans.