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Center for Epidemiology and Animal

Health

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The Center for Epidemiology and Animal Health (CEAH) is a world-renowned science

center within APHIS Veterinary Services.

Latest Products

Epidemiologic and Other Analysis of HPAI-Affected Poultry Flocks 

Download the second interim report (June 2023).

Download
Outbreak Surveillance Toolbox 

The Outbreak Surveillance Toolbox is designed to provide veterinary epidemiologists

with resources for designing surveillance schemes to support outbreak response.

Learn More
Resources

National Animal Health Surveillance System 

APHIS Veterinary Services works with a vast network of partners to carry out animal

health surveillance activities in the United States. 

National Animal Health Reporting System 

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.

National Animal Health Monitoring System 

The National Animal Health Monitoring System (NAHMS) unit conducts national

studies on the health and health management of U.S. domestic livestock, equine,

aquaculture, and poultry populations.

Animal Health Risk Identification 

We analyze present, future, and emerging threats to animal health to estimate the

likelihood of a damaging event and to determine potential pathways of introduction

and spread.

Producer Indemnity and Compensation 

APHIS provides indemnity and compensation to producers to remove animals we

classify as affected, suspect, or exposed to diseases of concern and to eliminate

dangerous viruses from the environment.

About CEAH

CEAH Impact Report 

This report gives a comprehensive overview of CEAH's impact on safeguarding

animal health in the United States for fiscal year 2022.

Download
General Information

CEAH is located within APHIS Veterinary Services' (VS) Strategy and Policy (S&P)

division. Our mission is to provide applied and innovative analyses to generate

science-based information and solutions for decision making around complex

national animal health issues.

We support key monitoring and surveillance programs across the United States and

serve as the focal point for disease reporting to the World Organisation for Animal

Health (WOAH). We are also a collaborating center for surveillance, risk assessment,

and epidemiologic modeling with WOAH. In this role, we interact with collaborating

centers domestically and internationally and participate in standards setting,

analytical, and training activities.        

Staffed with a multidisciplinary team, CEAH provides scientifically sound and

statistically valid information and tools to help policymakers reach critical decisions

regarding animal health issues. Our team includes:

Epidemiologists and veterinarians

Spatial analysts and geographic information specialists

Economists and statisticians

Information and computer specialists

Biologists and entomologists

Librarians and technical writers

Administrative support
Organization

CEAH is made up of the following units:

National Animal Health Monitoring System (NAHMS)—NAHMS is the

statistical unit within APHIS Veterinary Services responsible for population

estimates related to animal health management and productivity. NAHMS

conducts national studies on the health and health management of livestock,

equine, aquaculture, and poultry populations within the United States at regular

intervals.

Program Coordination and Implementation (PCI)—PCI strengthens CEAH’s

mission by supporting staff with communications and editing support, project

management, operations and logistics support, and Confidential Information

Protection and Statistical Efficiency Act (CIPSEA) and Paperwork Reduction Act

(PRA) compliance.

Geospatial Analytics, Products, and Services (GAPS)—GAPS provides

map-centric products and solutions, as well as geospatial analyses that support

emergency planning and response, disease risk analyses, epidemiology

investigations, disease monitoring and reporting, and the overall mitigation and

prevention of animal disease introduction and spread in the United States.

Surveillance Design and Analysis (SDA)—Through collaborative

surveillance design, analysis, evaluation, and communication, SDA develops

and enhances animal disease surveillance. SDA provides practical and timely

surveillance solutions to meet customer needs, from single-premises sampling

plans to robust national-level surveillance systems, including the proposed

National List of Reportable Animal Diseases. SDA also serves as the WOAH

Focal Point for U.S. animal disease reporting.

Transboundary Disease Analytics (TDA)—TDA identifies and characterizes

global animal health hazards, assesses hazards and strategies to prevent the
entry of transboundary diseases into the United States, conducts pathways

assessments, and contributes to animal disease preparedness and response

planning, implementation, and evaluations.

Domestic Animal Health Analytics (DAHA)—DAHA supports domestic

disease programs through risk analysis, epidemiologic evaluations, and

providing indemnity and compensation analyses and tools.

What We Do

Animal health reporting

Antimicrobial resistance surveillance and monitoring

Comprehensive and integrated surveillance plans, evaluations, analytics, and

reports

Data management, analytical support, and interactive visualization

Disease case definitions

Economic analysis

Emerging animal disease response, cost analysis, and support

Epidemiologic investigations and economic modeling

Foreign animal disease (FAD) deployment

Geospatial and mapping services

Indemnity estimates

Livestock-wildlife interface study/analysis

National and targeted animal studies

WOAH Collaborating Center activities

Ongoing animal health monitoring

Outbreak surveillance and epidemiologic support

Risk assessment and risk identification

Syndromic surveillance

Training and outreach

Participation

CEAH actively participates in various international and domestic scientific working

groups, committees, and training. 

CEAH is a WOAH collaborating center for animal disease surveillance, risk analysis,

and epidemiological modeling. We partner with WOAH and member countries to
improve international disease surveillance capabilities and analytic methods

supporting trade decisions through information sharing, risk identification, risk

analyses, and surveillance activities.   

Allen D. Leman Swine Conference

American Association of Avian Pathologists Annual Meeting

American Association of Bovine Practitioners

American Association of Swine Veterinarians

American Association of Veterinary Laboratory Diagnosticians

American Dairy Science Association

American Sheep Industry and American Goat Federation

American Veterinary Medical Association

APHIS Climate Change Working Group

APHIS National Feral Swine Damage Management Program Steering Committee

APHIS GIS Steering Committee

Biological Indications and Warning Analytic Community 

Brucellosis Research Meeting

Center for Plain Language

Center of Excellence for Emerging and Zoonotic Animal Diseases

Central American Climate Change Workshop

Colorado Veterinary Medical Association

Council of Science Editors

ESRI International and Federal User Groups

Federal Communicators Network

Federal Interagency Committee on Invasive Terrestrial Animals and Diseases

(animal pathogens subcommittee)

Federal Tick-Borne Disease Integrated Pest Management Workgroup

Foreign Animal Disease Threat Subcommittee

Interagency Steering Committee for Avian Influenza Surveillance in Wild

Migratory Birds

International Conference on Animal Health Surveillance

International Pig Veterinary Society Congress

International Poultry Expo

International Society for Veterinary Epidemiology and Economics

Live Bird Market Working Group

National Association of Government Communicators

National Biosurveillance Integration Center

National Bison Association
National Cattlemen’s Beef Association

National Dairy Herd Improvement Association

National Institute for Animal Agriculture

National Mastitis Council

National Pork Board’s Swine Health Committee

National Poultry Improvement Plan

WOAH/FAO Network of Expertise on Animal Influenza

Plain Language Association International 

Secure Broiler Supply, Secure Turkey Supply, Secure Egg Supply Workgroups

Society for Risk Analysis Annual Meeting

Society for Technical Communicators

Society of Vector Ecology

Toastmasters Resource Masters

United States Animal Health Association

VS Mobile Information Management Network

World Buiatrics Congress

World Dairy Expo

World-Wide Human Geography Data Working Group

Contact Us

Center for Epidemiology and Animal Health

Email: vs.ceah@usda.gov

Phone: 970-494-7200