From: Potential for epidemic take-off from the primary outbreak farm via livestock movements
No. of farms in first generation | Proportion of primary outbreak farms causing spread for a given infectious period | ||
---|---|---|---|
 | 1 week | 2 weeks | 4 weeks |
1 | 0.0187 | 0.0478 | 0.0782 |
2 | 0.0054 | 0.0176 | 0.0335 |
3 | 0.0026 | 0.0085 | 0.0281 |
4 | 0.0017 | 0.0048 | 0.0124 |
> 4 | 0.0028 | 0.0105 | 0.0291 |