Avian Bird Flu 2025 Wikipedia. Between 2 december 2025 and 15 march 2025, highly pathogenic avian influenza (hpai) a (h5) outbreaks were reported in domestic (227) and wild (414) birds. Yoshihiro kawaoka (left) and ron fouchier (right) in 2012, after their work with h5n1 bird flu virus sparked a global controversy over research that can potentially.
Only some avian influenza a (h5) and a (h7) viruses are classified as hpai a viruses, while most a (h5) and a (h7) viruses circulating among birds are lpai a. Bird flu is widening its reach.