West Nile virus (WNV) Activity
Past West Nile virus Activity in Alameda County
2024 Alameda County WNV Activity
2023 Alameda County WNV Activity
2021 Alameda County WNV activity
2020 Alameda County WNV activity
2018 Alameda County WNV activity
2017 Alameda County WNV activity
2016 Alameda County WNV activity
2015 Alameda County WNV activity
Learn more about West Nile virus Activity in California and the United States
To take a look at West Nile virus activity throughout California, visit the California Department of Public Health (CDPH) West Nile virus website (westnile.gov).
To take a look at West Nile virus activity throughout the United States, visit the U.S. Centers for Diseases Control and Prevention (CDC) West Nile virus website (cdc.gov/west-nile-virus/).