Table 2 Number of pairwise combinations with ≥98% genetic homology for PRRSV ORF5 over total number of combinations (%) according to Euclidean distance between sites and herd ownership (122 sequences)
Euclidean distance | Ownership | Total | ||
|---|---|---|---|---|
Same | Different | |||
≤5 km | 8/50 (16.0%) | 7/785 (0.9%) | 15/835 (1.8%) | |
>5 to ≤10 km | 8/83 (9.6%) | 5/1453 (0.3%) | 13/1536 (0.8%) | |
>10 km | 9/174 (5.2%) | 20/4853 (0.4%) | 29/5010 (0.6%) | |
Total | 25/307 (8.1%) | 32/7074 (0.5%) | 57/7381 (0.8%) | |