Press Releases

June 22, 2018 - West Nile Virus Activity Increasing In Alameda County. The presence of both West Nile virus positive dead birds and mosquitoes in Union City warrants caution.

HAYWARD, CA - To date, Alameda County Mosquito Abatement District has detected 4 dead birds and 7 groups of mosquitoes which have tested positive for West Nile virus.  The birds were collected from Union City and Castro Valley. The mosquitoes were collected in Union City and Hayward.  Recent West Nile virus positive detections indicate heightened virus transmission in the Union City area west of…

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June 7, 2018 - Mosquito Adulticiding Scheduled to Suppress West Nile Virus Activity. Adulticiding treatment planned in Union City neighborhood. 

HAYWARD, JUNE 7- Mosquitoes and birds infected with West Nile virus have been detected near Ponderosa Cove Park in Union City, CA. In response, the Alameda County Mosquito Abatement District will be treating for adult mosquitoes on Friday, June 8th from approximately 10pm to 12am, weather permitting. District personnel will be applying Pyrenone 25-5 Public Health Insecticide, registered by the US…

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April 13, 2018 - Mosquito Threats on the Rise and Californians are Nurturing the Threat

SACRAMENTO, CALIFORNIA  – There has been a steep rise in detections of invasive mosquito species in California, according to the California Department of Public Health, which increases the risk of local transmission of imported diseases. At the same time, lifted water restrictions in the state allows for the return to water practices by Californians that increase mosquito habitats.
Two invasive…

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