Table 1.
Overview of the characteristics of the contact networks between all HPAI H5N6 genotypes of infected premises.
| Infectious duration for vehicle | One day | Three days | ||||
|---|---|---|---|---|---|---|
| Infectious duration for IPs | 7 days | 14 days | 21 days | 7 days | 14 days | 21 days |
| Network element | ||||||
| No. of unique nodes (IPs) | 80 | 113 | 129 | 130 | 176 | 195 |
| No. of edges between IPs | 100 | 223 | 369 | 251 | 603 | 978 |
| No. of unique edges between IPs | 78 | 158 | 233 | 147 | 370 | 498 |
| Genotype of IPs | ||||||
| No. of C2 |
19 (23.8%) |
30 (26.5%) |
33 (25.6%) |
34 (26.2%) |
51 (29.0%) |
58 (29.7%) |
| No. of C3 |
17 (21.3%) |
22 (19.5%) |
26 (20.2%) |
24 (18.5%) |
31 (17.6%) |
34 (17.4%) |
| No. of C4 |
38 (47.5%) |
52 (46.0%) |
59 (45.7%) |
61 (46.9%) |
80 (45.5%) |
87 (44.6%) |
| No. of C5 |
6 (7.5%) |
9 (8.0%) |
11 (8.5) |
11 (8.5%) |
14 (8.0%) |
16 (8.2%) |
| Farm species of IPs | ||||||
| No. of chicken farms |
45 (56.3%) |
70 (61.9%) |
78 (60.5%) |
70 (53.8%) |
98 (55.7%) |
110 (56.4%) |
| No. of duck farms |
34 (42.5%) |
42 (37.2%) |
48 (37.2%) |
58 (44.6%) |
76 (43.2%) |
82 (42.1%) |
| No. of quail farms |
1 (1.3%) |
1 (0.9%) |
3 (2.3%) |
2 (1.5%) |
2 (1.1%) |
3 (1.5%) |
| Network metrics | ||||||
| Density | 0.011 | 0.011 | 0.012 | 0.009 | 0.011 | 0.013 |
| Assortativity by genotype | 0.743 | 0.666 | 0.665 | 0.616 | 0.538 | 0.547 |
The networks were built based on the three different infectious duration for infected farms and two infectious durations for potentially contaminating vehicle movements.
HPAI highly pathogenic avian influenza, IP infected premises.