Alameda County Mosquito Abatement District

news & resources

Press Releases

  • 18 Jul
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    2017 – DEAD BIRD INFECTED WITH WEST NILE VIRUS CONFIRMED IN ALAMEDA COUNTY

    First indication of West Nile virus in Alameda County for 2017 HAYWARD, CA – The Alameda County Mosquito Abatement District is reporting a dead bird that tested positive for West Nile virus.  This is the County’s first indication of active virus transmission this year.  The bird was collected from the City of Oakland and tested at the District laboratory on July […]

  • 22 Sep
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    2016 – Transparency Certificate of Excellence Awarded to Alameda County Mosquito Abatement District

    Hayward, CA – The Alameda County Mosquito Abatement District received the District Transparency Certificate of Excellence by the Special District Leadership Foundation (SDLF) in recognition of its outstanding efforts to promote transparency and good governance. “This award is a testament to Alameda County Mosquito Abatement District’s commitment to open government,” said Ryan Clausnitzer, District Manager. “The […]

  • 12 Jul
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    2016 – DEAD BIRD INFECTED WITH WEST NILE VIRUS CONFIRMED IN ALAMEDA COUNTY

    First indication of West Nile virus in Alameda County for 2016 HAYWARD, CA – The Alameda County Mosquito Abatement District is reporting a dead bird that tested positive for West Nile virus. This is the County’s first indication of active virus transmission this year. The dead bird was collected from the City of Fremont on […]

  • 30 Sep
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    2015 – MOSQUITO ADULTICIDING SCHEDULED TO SUPPRESS WEST NILE VIRUS ACTIVITY

    Adulticiding treatment planned for Skywest Golf Course in Hayward and Oro Loma Sanitary District in San Lorenzo.   HAYWARD, SEPTEMBER 30- Mosquitoes infected with West Nile virus have been detected in traps placed near Skywest Golf Course and Oro Loma Sanitary District. In response, the Alameda County Mosquito Abatement District will be treating for adult […]

  • 29 Jul
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    2015 – MOSQUITOES INFECTED WITH WEST NILE VIRUS CONFIRMED IN ALAMEDA COUNTY

    First mosquitoes positive for West Nile virus in Alameda County for 2015 HAYWARD, CALIFORNIA – The Alameda County Mosquito Abatement District has received confirmation from the State of two West Nile virus positive groups of mosquitoes.  Both groups of mosquitoes were collected from the northern part of Fremont on the night of July 22, 2015.  […]

  • 11 May
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    2015 – Aedes aegypti Mosquito Found in Alameda County

    HAYWARD – The Aedes aegypti mosquito has been detected in an industrial area in the city of Hayward by the Alameda County Mosquito Abatement District.  This mosquito is not native to California and has the potential to transmit several viruses not currently found here, including dengue, yellow fever, and chikungunya.  Aedes aegypti has now been […]

  • 24 Mar
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    2015 – Coyote Hills Regional Park Trail Closure for Larval Mosquito Treatment

    HAYWARD – The Alameda County Mosquito Abatement District will be conducting a helicopter treatment for larval mosquitoes which will require the closure of park trails.  All Coyote Hills Regional Park trails will be closed on Thursday, March 26th until operations are completed.  Trails will reopen in the afternoon. Unseasonably high temperatures have created large numbers […]

  • 12 Mar
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    2015 – First West Nile Virus Positive Bird for 2015 Found in Alameda County

    HAYWARD – The Alameda County Mosquito Abatement District is reporting a dead bird that tested positive for West Nile virus.  This is the County’s first indication of active virus transmission this year and the first West Nile virus positive bird in the state.  The bird was an American Crow picked up in the City of […]

  • 20 Aug
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    2014 – MOSQUITO FOGGING SCHEDULED IN THE LIVERMORE AREA TO SUPPRESS WEST NILE VIRUS ACTIVITY

    HAYWARD – Mosquitoes infected with West Nile virus have been detected in the Bruno Canziani park area in Livermore once again. In response, the Alameda County Mosquito Abatement District will be fogging for adult mosquitoes on Thursday, August 21st from 10pm to 5am, weather permitting. District personnel will be applying Pyrenone 25-5 Public Health Insecticide […]

  • 05 Aug
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    2014 – MOSQUITO ADULTICIDING SCHEDULED IN THE LIVERMORE AREA TO SUPPRESS WEST NILE VIRUS ACTIVITY

    HAYWARD – Due to the increased activity of West Nile virus in the Livermore area, the Alameda County Mosquito Abatement District will be treating for adult mosquitoes on Wednesday and Thursday between 9:30pm and 5am, weather permitting. District personnel will be applying Pyrenone 25-5 Public Health Insecticide at a rate of .04oz./acre by a truck […]