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First positive cases of West Nile Virus detected by veterinary and human surveillance between 2014 and 2018.
| 2014 | 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|---|
| Entomological surveillance | 16 July | 7 July | 5 July | 12 July | 3 July |
| Ornithological surveillance | 21 July | 20 May | 18 August | 5 August | 6 July |
| Equine surveillance | 18 July | 6 August | 5 August | 5 August | 31 July |
| Donor checking | 12 November | 6 July | 9 August | / | |
| First human WNV infection case diagnosed | 13 August | 28 July | 1–7 August | 1–7 August | 1–7 August |
