Today, the veterinary profession is confronted with a different set of problems compared with the middle of last century. Veterinarians often have to deal with herds or regions that remain infected with diseases even after lengthy disease prevention or control campaigns have taken place. Exotic livestock diseases have serious consequences that cause severe production losses, illness and/or death in animals and possibly humans. These diseases also have serious economic consequences and could be devastating. Veterinary epidemiology deals with the investigation of animal diseases and the frequency of their occurrence while considering their economic and public health impact at national levels. Rapid detection and response is needed to stop the spread of any infectious disease within a population. This requires coordination and cooperation between local and federal agencies. Constant preparedness at the local level will greatly aid in the response and recovery efforts needed to protect animal and human health.
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