West Nile virus Activity in the County - Orange County Mosquito and Vector Control District

West Nile virus Activity in the County

Download updated map here:

May contain: map, diagram, plot, and atlas — Updated WNV Map for Orange County

WNV Data for 2021.pdf WNV Data for 2020.pdf WNV Data for 2019 WNV Data for 2018 WNV Data for 2017 WNV Data for 2016

May contain: confectionery, sweets, and food

West Nile Virus

West Nile virus (WNV) is spread by the bite of an infected mosquito and is endemic to Orange County.

May contain: urban, neighborhood, building, nature, outdoors, landscape, scenery, road, suburb, and aerial view

Residential truck-mounted applications

Click here to view treatments in neighborhoods.