Table 1 Clusters of wild Boar ASF reported in North-western Italy from 12/29/2021 to 03/11/2025 identified using the space–time permutation model of the scan statistics. Detailed information regarding each spatio-temporal cluster.
Municipality of cluster centroid | Time-ordered cluster | Radius (in km) | Year | Time interval | Duration (in days) | No. of ASF cases within cluster | Significance level (p) | |
|---|---|---|---|---|---|---|---|---|
Observed | Expected | |||||||
Bosio | 1 | 13.8 | 2022 | Feb–Mar | 29 | 32 | 2.6 | 0.001 |
Grondona | 2 | 3.4 | 2023 | Jan–Feb | 21 | 14 | 0.65 | 0.001 |
Dego | 3 | 23.2 | 2023 | Mar–Apr | 29 | 80 | 15.23 | 0.001 |
Montoggio | 4 | 5.5 | 2023 | May–Jun | 25 | 21 | 1.54 | 0.001 |
Rezzoaglio | 5 | 10.1 | 2023 | Oct–Nov | 29 | 41 | 3.51 | 0.001 |
Casasco | 6 | 8.7 | 2023 | Nov–Dec | 22 | 25 | 2.38 | 0.001 |
Varzi | 7 | 3.4 | 2024 | Jan–Feb | 21 | 25 | 1.58 | 0.001 |
Alice Bel Colle | 8 | 5.9 | 2024 | Feb–Mar | 26 | 26 | 2.2 | 0.001 |
Tornolo | 9 | 4.5 | 2024 | Mar–Apr | 28 | 25 | 2.31 | 0.001 |
Alta Val Tidone | 10 | 17.5 | 2024 | Mar–Apr | 26 | 41 | 8.14 | 0.001 |
Bogliasco | 11 | 10 | 2024 | May | 24 | 68 | 15.05 | 0.001 |
Ferriere | 12 | 5 | 2024 | May–Jun | 19 | 16 | 1.06 | 0.001 |
Albareto | 13 | 1.7 | 2024 | June | 6 | 13 | 0.17 | 0.001 |
Bore | 14 | 15.2 | 2024 | Jun–Jul | 20 | 15 | 0.58 | 0.001 |
Pontremoli | 15 | 11.8 | 2025 | Jan–Feb | 28 | 36 | 2.22 | 0.001 |
Cerano | 16 | 2.6 | 2025 | Feb–Mar | 24 | 35 | 1.45 | 0.001 |
