Table D.18.
Estimates for LPAI provided in the EKEs by working group members or event participants
Variable | Description | LB | Q1 | Median | Q3 | UB | Estimate done by | |
---|---|---|---|---|---|---|---|---|
MSLength | Length (in days) of AIV transmission period considered in the LPAI model | Fixed to 125 days (same as for HPAI) | Arbitrary | |||||
1/rNWB | Reciprocal of the duration in days of the LPAI shedding period in non‐water birds | 1 | 3 | 4 | 6 | 14 | Semi‐formal EKE | |
1/rWB | Reciprocal of the duration in days of the LPAI shedding period in water birds | 2 | 4 | 6 | 8 | 21 | Semi‐formal EKE | |
mdNWB | Mortality rate in non‐water birds due to LPAI disease | 0.0025 | 0.0025 | 0.0025 | 0.0025 | 0.0025 | Literature | |
mdWB | Mortality rate in water birds due to LPAI disease | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | Literature | |
Prob(InfNWB|contact) | Probability that a susceptible non‐water bird becomes infected with LPAI given a contact with excretions containing infectious virus in a forage area | 0 | 0.0001 | 0.000325 | 0.00065 | 0.0125 | Semi‐formal EKE | |
Prob(InfWB|contact) | Probability that a susceptible water bird becomes infected with LPAI given a contact with excretions containing infectious virus in a forage area | 0.000025 | 0.00055 | 0.002125 | 0.004 | 0.025 | Semi‐formal EKE | |
|
Number of non‐water birds landing into a holding | Estimate from HPAI was used | ||||||
|
Number of water birds landing into a holding | Estimate from HPAI was used | ||||||
|
Reduction coefficient for the probability that a susceptible water bird becomes infected given a contact with excretions containing LPAI infectious virus with respect to HPAI‐infected excretion | 0.01 | 0.03 | 0.05 | 0.1 | 0.5 | Formal EKE | |
|
Reduction coefficient for the probability for a worst‐case holding to get the infection given the presence of LPAI‐infected wild bird with respect to HPAI‐infected wild bird | 0 | 0.08 | 0.1 | 0.3 | 1 | Formal EKE |