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Tuyển tập các báo cáo nghiên cứu về bệnh thú y được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành thú y đề tài: Epidemiological Concepts Regarding Disease Monitoring and Surveillance By Jette Christensen. | Acta vet. scand. 2001 Suppl. 94 11-16. Epidemiological Concepts Regarding Disease Monitoring and Surveillance By Jette Christensen Danish Veterinary Laboratory Bulowsvej 27 DK-1790 Copenhagen V Denmark. Phone 45 35 30 01 00 Fax 45 35 30 01 20 Email jc@svs.dk Definitions of epidemiological concepts regarding disease monitoring and surveillance can be found in textbooks on veterinary epidemiology. This paper gives a review of how the concepts monitoring surveillance and disease control strategies are defined. Monitoring and surveillance systems MO SS involve measurements of disease occurrence and the design of the monitoring determines which types of disease occurrence measures can be applied. However the knowledge of the performance of diagnostic tests sensitivity and specificity is essential to estimate the true occurrence of the disease. The terms disease control programme DCP or disease eradication programme DEP are defined and the steps of DCP DEP are described to illustrate that they are a process rather than a static MO SS. disease control programme disease eradication programme. Introduction The Nordic countries have a longstanding tradition of animal disease control Pedersen 1996 . For decades the Nordic countries have been free of the OIE list A diseases apart form recent outbreaks of Newcastle Disease and an outbreak of Foot and Mouth disease in the early 1980s. During the last decades other diseases as Aujezsky s disease and IBR have been successfully combated. Therefore the accumulated knowledge of animal disease control in the Nordic countries is extensive. Experts in different disciplines of veterinary science e.g. practice virology and bacteriology have gained experience in disease control and co-operation. Veterinary epidemiology is the science that describes the distribution of disease and health in populations the what where when and how much of disease and the investigation of the determinants for the disease occurrence the why of disease . .