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. 2023 Oct 10;21(10):e08271. doi: 10.2903/j.efsa.2023.8271

Table B.4.

Results from the model simulations for each scenario in Italy

Scenario Duration (days) (a) Number of infected farms Number of culled farms Number of vaccinated farms (a) , (b)
Median 5% 95% Median 5% 95% Median 5% 95% Median 5% 95%
S0: Minimum EU 164 28 303 179 8 343 179 8 343
S1: 1‐km ring culling 76 23 152 40 7 100 197 27 465
S2: 1‐km ring vaccination 111 6 252 47 2 175 47 2 175 96 1 327
S3: 3‐km ring vaccination 77 5 167 23 2 80 23 2 80 205 7 580
S4: 10‐km ring vaccination 66 4 177 18 2 148 18 2 148 612 68 1182
S5: Preventive vaccination turkeys 30 10 71 8 2 23 8 2 23 620
(a)

In this analysis a farm is considered to be characterised by unique location (XY coordinates), owner and poultry species. When a farm is detected infected, this and all the other farms in the same locations but with different poultry species or owner would be culled. This is the reason for the differences between the number of infected and culled.

(b)

This is the number of active farms (epidemiological units) being vaccinated under each scenario and do not indicate the number of times that poultry in a farm get vaccinated. For emergency vaccination one vaccination per farm is assumed. For preventive vaccination, poultry within a farm may receive more than one vaccination or the same farm might be subjected to more than one vaccine application when a new production cycle starts.