The United States is currently facing an outbreak of Highly Pathogenic Avian Influenza (HPAI) affecting dairy cattle, raising concerns within the agricultural sector. Although HPAI primarily impacts poultry, recent cases have shown it can also spread to other livestock, including dairy cows. The outbreak has led to a surge in monitoring and biosecurity measures to prevent further spread, especially in areas with large dairy farms. Experts are closely tracking the situation, as the virus poses potential risks to animal health and food production. This outbreak follows previous waves of HPAI in the country, highlighting the need for continued vigilance and prevention efforts.
Total outbreak in cattle: 986 in 17 States. Last reported case 14 March 2025.
The map below gives the number of cases per state.
