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foot-and-mouth dis·ease (FMD),
a highly infectious disease of worldwide distribution and great economic importance, occurring in cattle, swine, sheep, goats, and all wild and domestic cloven-hoofed animals caused by a picornavirus (genus Aphthovirus) and characterized by vesicular eruptions in the mouth, tongue, hoofs, and udder; humans are rarely affected.
the Mexican name for foot-and-mouth disease. Called also aphthous fever.