Population
French cattle and sheep 6 years after the ban on vaccination against foot-and-mouth disease virus
Design
Cross-sectional
Follow-up
6 years after vaccination ban
Authors
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May bias FMD serosurveillance in vaccinated ruminants; leaves open optimal sampling intervals and confirmatory thresholds.
Residual foot-and-mouth disease virus antibodies can persist for at least 6 years in cattle, and non-specific reactions occur in both cattle and sheep, which must be considered in serological surveillance.
Remond et al. (2001) studied this question.
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