West Nile Virus Activity Reports
2022 WNV Activity in Marin and Sonoma Counties: None
2021 West Nile Virus Activity2020 West Nile Virus Activity
2019 No West Nile Virus Activity Detected
2018 West Nile Virus Activity2017 West Nile Virus Activity2016 West Nile Virus Activity2015 West Nile Virus Activity