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| Loss of protection effectiveness | Threshold values | |||
| σ * |
|
σc | σo | |
| Before notification of avian influenza | 5.6% | 20.1% | 23.6% | 46.1% |
| After notification of avian influenza | 37.2% | 88.6% | 100% | 96.8% |
These values are calculated using parameters based on the H7N7 epidemic in The Netherlands in 2003 before and after notification of avian influenza [34].
