Bird Flu Update 2024 Usa. See maps of affected counties, learn how the virus spreads and what are the. Highly pathogenic avian influenza (hpai) is a disease that is highly contagious and often deadly in poultry, caused by highly pathogenic avian influenza a (h5) and a (h7) viruses;

Cdc provides information on serology, laboratory,. Highly pathogenic avian influenza (hpai) is a disease that is highly contagious and often deadly in poultry, caused by highly pathogenic avian influenza a (h5) and a (h7) viruses;