Highly Pathogenic Avian Influenza (HPAI) Detections in Livestock

Last Modified: April 12, 2024
Dairy Cows

The U.S. Department of Agriculture, Food and Drug Administration, Centers for Disease Control and Prevention, and State veterinary and public health officials are investigating an illness among dairy cows.

As we learn more about this evolving situation, APHIS will continue to provide confirmatory testing for samples from livestock as well as guidance for producers, veterinarians, and state animal health officials. As the situation changes, we will continue to post updated information at the links below. 

Detection of Highly Pathogenic Avian Influenza in Dairy Herds: Frequently Asked Questions
Detection of Highly Pathogenic Avian Influenza in Dairy Herds: Frequently Asked Questions (Spanish)
APHIS Recommendations for HPAI H5N1 Virus in Livestock (214.38 KB)

Confirmed Cases of HPAI in Domestic Livestock

*Data updated weekdays by 4 pm ET.

HPAI Livestock map

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Information for Producers and Veterinarians

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Centers for Disease Control and Prevention Resources

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