Category Archives: West Nile

WEST NILE VIRUS CONFIRMED IN MOSQUITOES, BIRDS IN CONTRA COSTA COUNTY

The Contra Costa Mosquito & Vector Control District confirmed today that one group of mosquitoes from Oakley and three dead birds have tested positive for West Nile virus. The birds were from Brentwood, Antioch, and Pleasant Hill. “The mosquitoes and … Continue reading

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Monday, August 28 – Fogging for Adult Mosquitoes in Brentwood

Due to the detection of West Nile virus in mosquitoes in the area, the Contra Costa Mosquito & Vector Control District will be fogging by truck-mounted, ultra-low volume sprayers to control adult mosquitoes. DATE: Monday, August 28, 2017 TIME: Between … Continue reading

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Dead birds, horse, chickens test positive for West Nile virus in Danville, Discovery Bay, Brentwood, and Knightsen area

The Contra Costa Mosquito & Vector Control District confirmed today that one dead bird each from Danville and Discovery Bay, a horse from Brentwood, and four chickens from the Knightsen area tested positive for West Nile virus. “We monitor virus … Continue reading

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Dead Birds, Mosquitoes Mark First West Nile Virus Activity This Year

The Contra Costa Mosquito & Vector Control District confirmed today that two dead birds from Walnut Creek and one group of mosquitoes from Discovery Bay tested positive for West Nile virus. This is the first report of West Nile virus … Continue reading

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Fogging for Adult Mosquitoes in Discovery Bay

Due to the detection of West Nile virus in mosquitoes in the area, the Contra Costa Mosquito & Vector Control District will be fogging by truck-mounted, ultra-low volume sprayers to control adult mosquitoes. DATE: Tuesday, August 1, 2017 TIME: Between … Continue reading

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Dead Bird Hotline Open for Phone Reports

Dead Bird Reports Help Find Areas Where West Nile Virus May be Transmitted California’s statewide Dead Bird Hotline is open and accepting dead bird reports by telephone. Online reports are accepted year-round. The hotline is an important part of the … Continue reading

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Are There More Mosquitoes This year?

Mosquito counts at this time are higher than they have been during the past five years of drought in Contra Costa County. The drought produced fewer mosquitoes, but greater virus potential. This year there are plenty of water sources. Those, … Continue reading

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