Chicken Bird Flu 2024 Symptoms. Cdc provides an update on its response activities related to the multistate outbreak of avian influenza a (h5n1) virus, or h5n1 bird flu, in dairy cows and other. Symptoms of bird flu show up differently in birds and in humans.
Bird flu symptoms among the difficulties with avian flu is that it can infect healthy chickens that initially show no symptoms of the disease. Sudden onset of hpai and high death rates are common among all poultry (except ducks and geese).