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

West Nile virus Activity in the County

Map of West Nile Virus activity in Orange County, July 21, 2025. 4 positive mosquito samples, 1 positive dead bird, 0 human infections.

WNV Data for 2023 WNV Data for 2022 WNV Data for 2021 WNV Data for 2020 WNV Data for 2019 WNV Data for 2018 WNV Data for 2017

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

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