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Presence of high fever (40.5-41ºC), and vesicular and/or erosive lesions
in and around the mouth. Case mortality rate usually zero and morbidity
rate very variable.
The severity of the clinical signs is variable and depends on the virulence
of the causal strain of virus. Subclinical infection is common with mild
strains.
Differentiated from FMD by the absence of high mortality rate among piglets.
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