National Animal Health Reporting System

Last Modified: March 19, 2024
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The National Animal Health Reporting System (NAHRS) is the only comprehensive reporting system for World Organisation for Animal Health (WOAH)-reportable diseases in the United States. The NAHRS reportable disease list includes all WOAH-reportable diseases and other diseases of interest. 

Under NAHRS, participating State animal health officials report monthly on the occurrence of confirmed NAHRS-reportable diseases and other diseases of interest occurring in U.S. livestock, avian, lagomorph, and aquaculture species. NAHRS is an important component of comprehensive and integrated surveillance in the United States. By providing timely summary-level information on animal health status to our trading partners, NAHRS helps protect the U.S. share of the global market for animals and animal products.

About NAHRS

Learn about information use, benefits to States, confidentiality, and the NAHRS Steering Committee.
Information for Participants

Find information on submitting reports and disease reporting criteria.
Reporting Process

Learn how to fill out the NAHRS monthly report.
Reportable Disease List

(PDF, 212.53 KB)

View the NLRAD-NAHRS Reportable Disease List.
eAuth Level 1 and 2 Self-Service Verification

(PDF, 1.63 MB)

Obtain accounts that will allow you to access USDA Web applications and services via the Internet.

Contact Us

National Animal Health Reporting System (NAHRS) Program

APHIS, VS, Center for Epidemiology and Animal Health

Email: nlrad.nahrs@usda.gov

Mailing Address

NAHRS Coordinator

2150 Centre Ave., Bldg. B, MS 2E6

Fort Collins, CO 80526