Bird Flu 2024 Symptoms. Depending on the strain, bird flu may cause the bird to have no symptoms, mild illness, serious illness or lead to the death of the bird. Dairy cows with several recent human cases in u.s.

Avian flu, or bird flu, affects poultry and wild birds. Centers for disease control and prevention (cdc) has logged 52 bird flu cases in people since april 2024.