Stockton Woman Confirmed as County's First Fatal Human Case of West Nile VirusA 74-year-old Stockton woman who was hospitalized last month and later passed away has been confirmed as San Joaquin County's first human case of West Nile virus this year, county public health officials said.
Contra Costa Vector Control Finds 2nd Bird, Mosquitoes With West Nile VirusA second bird in Contra Costa County and another group of mosquitoes tested positive for West Nile Virus, county vector control officials said Friday.
Spraying To Take Place In Palo Alto, Mountain View After West Nile Virus DetectedSanta Clara County's Vector Control District will conduct mosquito control treatment in parts of Palo Alto and Mountain View on Friday after detecting the West Nile virus in mosquitos in those areas.
West Nile Virus Found in Santa Clara, Sunnyvale MosquitosSome adult mosquitos in Sunnyvale and Santa Clara have tested positive for the West Nile virus, following positive test results among mosquitos in Gilroy.
West Nile Virus-Positive Mosquitoes Found In Gilroy; Neighborhoods To Be SprayedThe Santa Clara County Vector Control District on Tuesday announced the discovery of mosquitoes that tested positive for West Nile virus in the Gilroy area and will prompt targeted spraying in neighborhoods later this week.
Central Coast Resident Is California's First West Nile Virus Death of 2021California on Friday reported a resident of San Luis Obispo County died from complications of the West Nile virus, the first fatality this year attributed to the mosquito-born microbe.
West Nile Virus Found in Mosquitos in StocktonThe West Nile virus was detected in three separate samples of mosquitos found in Stockton on Friday, according to the San Joaquin County Mosquito and Vector Control District.
West Nile Virus Detected in Dead Bird In San Mateo CountySan Mateo County's Mosquito and Vector Control District detected West Nile virus in a dead bird this week, the first case in the county since 2018.
West Nile Infested Mosquitoes Discovered Near Byron; First 2020 Detection In Contra Costa CountyMosquitoes trapped earlier this week near Byron have tested positive for West Nile virus, Contra Costa County vector control officials said.
Mosquitoes Test Positive For West Nile Virus In Los Altos Hills; Spraying PlannedTargeted spraying will be conducted Thursday in an area that includes part of Los Altos Hills after two adult mosquitoes tested positive for West Nile virus.
Santa Clara County Plans To Treat Areas Where West Nile Virus FoundVector control officials in Santa Clara County on Friday confirmed that multiple mosquitoes collected from the 95054, 95051 and 95050 ZIP codes tested positive for West Nile virus.
Mosquitoes With West Nile Virus Found In MilpitasCrews with Santa Clara County Vector Control plan to spray mosquito control treatments in parts of Milpitas later this week, after insects that have the West Nile Virus were found.
Elderly Man Diagnosed With 2018's First Case Of St. Louis Encephalitis In CaliforniaHealth officials have reported the first human case of Saint Louis encephalitis in Los Angeles County since 1997 -- and the first case of the virus in California this year.
State Health Officials Announce First West Nile Deaths In 2018California health officials confirmed two deaths in state due to West Nile virus -- one each in Glenn County and Yuba County.
Dead Birds, Mosquitoes Test Positive For West Nile In CoCo CountyThe birds were discovered in Brentwood, Antioch and Pleasant Hill, while the mosquitoes were found in Oakley.