The Veterinary Epidemiology Division of The Animal, Plant, and Fisheries Quarantine and Inspection Agency (QIA) was established in 2002. It is the first governmental organization in the Republic of Korea to be charged with the epidemiological task of managing veterinary public health. In commemorating the previous efforts of this organization, this paper describes the brief history, concept, tools, and approaches of veterinary epidemiology. The mission of veterinary epidemiology, as a leader of 'One Health', to improve the public health status of human and animal is also discussed.

ABSTRACT
 서 론
 역학의 개념
 수의역학의 정의
 역학의 역할
 역학적 접근 방법
 전염병 역학
 질병 발생에 대한 역학조사
 수의역학의 과제
 참고문헌

• Hachung Yoon(Animal, Plant, and Fisheries Quarantine and Inspection Agency)
• Oun-Kyong Moon(Animal, Plant, and Fisheries Quarantine and Inspection Agency) Correspondence
• Youn-Ju Kim(Animal, Plant, and Fisheries Quarantine and Inspection Agency)
• Do-Soon Kim(Animal, Plant, and Fisheries Quarantine and Inspection Agency)