Avian Flu 2024 Symptoms. The categories refer to molecular characteristics of a virus and the virus' ability to cause disease and mortality in chickens in a laboratory setting. Between 16 march and 14 june 2024, 42 highly pathogenic avian influenza (hpai) a (h5) virus detections were reported in domestic (15) and wild (27) birds across 13 countries in europe.

 — the state said the dairy herds “began showing clinical signs” consistent with bird flu on august 25. Severe cases can lead to pneumonia, multiple organ.