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Dead Birds

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

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

San Mateo County Reports Its First Cases Of West Nile Virus This Year

Two dead birds found in San Mateo have tested positive for West Nile virus, the San Mateo County Mosquito and Vector Control District announced on Tuesday.

06/05/2013

mosquito

Bay Area Public Health Officials Brace For West Nile Virus Season

Dead birds have begun testing positive for West Nile virus in the Bay Area, several weeks ahead of what experts consider the “official” start of the West Nile virus season, in June.

CONNECT WITH KCBS–05/13/2011