Bird Flu Update 2024 In Usa. It was also likely the first human infection with avian influenza a(h5n1) virus from a cow globally. Dairy cows with several recent human cases in u.s.
By february, more than 50 million chickens have been affected in the u.s., in what has become one of the largest bird flu outbreaks in recorded history. Enlarge / cows being milked in wisconsin on may 8, 2024.