Bird Flu 2024 Symptoms In Birds. This is the first human case of h5n1 avian influenza in. Avian influenza refers to disease in birds caused by infection with avian (bird) influenza (flu) type a viruses.
The type of h5n1 that has been decimating bird populations for the last few years was first discovered in. The virus has killed tens of millions of birds and infected hundreds of species of animals, including dairy cattle in the united states.