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The health consequences are slight, the economic ones huge
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The current major outbreak of foot and mouth disease (FMD) is the latest in a series of disasters that are putting British agriculture under stress.1 The disease affects all cloven-hoofed animals and is the most contagious of animal diseases. It is caused by a virus of the family Picornaviridae, genus Aphthovirus, of which there are seven serotypes (O, A, C, SAT1, SAT2, SAT3, and Asia1). The current outbreak in the United Kingdom is due to the highly virulent pan-Asiatic serotype O.1 In animals the disease presents with acute fever, followed by the development of blisters chiefly in the mouth and on the feet. Infected animals secrete numerous virus particles before clinical signs appear.2
Foot and mouth disease is a zoonosis, a disease transmissible to
humans, but it crosses the species barrier with difficulty and with
little effect. Given the high incidence of the disease in animals, both
in the past
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