Below is a map of confirmed positive samples of West Nile virus activity in Sacramento and Yolo counties to date this calendar year. For a list view of this data, please see the West Nile Virus Activity page.

Map is currently being updated, please check back soon to be able to click on pin locations for more details.

Blue Pins – WNV Positive Bird Pick-Up Locations
Green Pins – WNV Positive Mosquito Samples
Locations are randomized within a 500 foot radius.