West Nile

west nile virus

Dead Bird Tests Positive For West Nile Virus In Menlo Park

According to the San Mateo County Mosquito and Vector Control District, the bird is the first indication of the virus this year in the county.

04/22/2015

Gambusia affinis, more commonly known as mosquito fish, are seen swimming after being released in a neglected pool infested with mosquitos at a foreclosed home on June 29, 2012 in Pleasant Hill, California. (Photo by Justin Sullivan/Getty Images)

Drought Blamed For State’s Second-Highest Year Of Human West Nile Virus Cases

There were more than 800 human cases of West Nile virus throughout the state in 2014, the second-highest year on record to date, the state Department of Public Health announced Wednesday.

04/09/2015

An Asian Tiger mosquito feeds from the blood from a person. (Jack Leonard/New Orleans Mosquito and Termite Control Board/Getty Images)

Mosquitoes Appear Early In Bay Area’s Mixed Weather And They’re Hungry

Mosquitoes are making their presence felt in the Bay Area almost a month ahead of schedule. The mixed weather has some experts warning it could signal an early start to West Nile virus season.

03/10/2015

(Photo by Justin Sullivan/Getty Images)

West Nile Virus Spreads In South San Francisco, Livermore, Mosquito Fogging Scheduled

The West Nile virus has been discovered in a dead bird and pool of mosquitoes at Clay Park in South San Francisco, and at the Bruno Canziani park area in Livermore.

08/21/2014

BRENTWOOD, CA - AUGUST 23: Technicians with the Contra Costa County Mosquito and Vector Control District drive a truck through a neighborhood fogging with Pyrocide 7396 insecticide on August 23, 2012 in Brentwood, California. In the wake of the largest outbreak of the West Nile Virus in the U.S. history, the Contra Costa County Mosquito and Vector Control is fogging areas of the county that have seen a spike in numbers of mosquitoes carrying the West Nile Virus. More than 1,100 people in the Unites States have been infected with West Nile and 41 people have died. (Photo by Justin Sullivan/Getty Images)

Mosquitos, Dead Birds Test Positive For West Nile Virus In Contra Costa County

A group of mosquitoes and several dead birds found throughout Contra Costa County have tested positive for the West Nile virus in recent weeks, Contra Costa County Mosquito and Vector Control District officials said Tuesday.

07/01/2014

BRENTWOOD, CA - AUGUST 23: Technicians with the Contra Costa County Mosquito and Vector Control District drive a truck through a neighborhood fogging with Pyrocide 7396 insecticide on August 23, 2012 in Brentwood, California. In the wake of the largest outbreak of the West Nile Virus in the U.S. history, the Contra Costa County Mosquito and Vector Control is fogging areas of the county that have seen a spike in numbers of mosquitoes carrying the West Nile Virus. More than 1,100 people in the Unites States have been infected with West Nile and 41 people have died. (Photo by Justin Sullivan/Getty Images)

Mosquitos Test Positive For West Nile Virus In San Jose; Fogging To Begin Early

Mosquitoes have tested positive for West Nile Virus in San Jose, according to South Bay officials.

05/19/2014

west nile virus

Marin County Resident Tests Positive For West Nile Virus

A Marin County resident has tested positive for the West Nile virus, marking the first case detected in a person in the county this year, health officials said Friday.

08/16/2013

mosquito, west nile virus

West Nile Virus Found In 2 Contra Costa County Birds

Two crows located in Contra Costa County tested positive for the West Nile virus Tuesday, according to the Contra Costa Mosquito and Vector Control District.

07/18/2012

mosquito, west nile virus

San Francisco Health Officials Warn Residents Of West Nile Virus

There have been 19 cases of West Nile virus in the state this year, including Santa Clara and Contra Costa counties. The San Francisco Health Department is now asking the public’s help in preventing the spread of mosquitoes that may carry the virus. Nader Shatara, the head of Vector Control for the San Francisco Health Department, said residents should beware of standing water where mosquitoes breed.

09/02/2011

San Jose West Nile Spraying to Begin Tonight

Vector control crews plan to spray chemicals in West San Jose Tuesday night to curb spread of the West Nile virus.

07/13/2010