Median with (5^th and 95^th percentiles) of epidemic duration, number of infected herds, number of surveillance visits and the total costs of the epidemic, following enlargements of the protection zone from 3 km to 5 km (<b>PZ5</b>) and surveillance zone from 10 km to 15 km (<b>

1Epidemic duration is calculated from detection of the first herd in the epidemic to the last herd is depopulated. 2Statistical significance level in comparison to the corresponding variable and scenario in Table 1 (absence of a star represents a P-value ≥0.05, * represents a P-value <0.05, ** represents a P-value <0.01, and *** represents a P-value <0.001).