West Nile Virus Activity
2024: No WNV Activity Detected
| 2023 | WNV + Mosquito Samples | WNV + Dead Birds |
|---|---|---|
| Marin County | 0 | 2 |
| Sonoma County | 6 | 16 |
2022 WNV Activity in Marin and Sonoma Counties
Sonoma County: 1 West Nile virus positive dead bird found in Petaluma
Marin County: None
2021 West Nile Virus Activity2020 West Nile Virus Activity2019 No West Nile Virus Activity Detected
2018 West Nile Virus Activity2017 West Nile Virus Activity2016 West Nile Virus Activity2015 West Nile Virus Activity