West Nile virus Archives - Local News Matters

An American crow from Walnut Creek is the second bird to test positive for West Nile virus, the Contra Costa Mosquito and Vector Control District said. Birds are the main reservoir for the virus, which is transmitted to humans and animals through the bite of an infected mosquito. Alameda, Santa Clara, and Solano counties have […]

Tag: West Nile virus

Walnut Creek crow is second bird in Contra Costa to test positive for West Nile virus

Officials urge precautions as West Nile virus detected in East Contra Costa mosquitoes

West Nile virus detected in Contra Costa County, officials warn of rising risk

Stockton man becomes 28th human case of West Nile virus this year, health officials say

Aggressive yellow fever mosquito moves up to Contra Costa County from South California

Invasive ‘ankle biter’ mosquito makes return to Concord over two years since last sighting

More signs of West Nile virus discovered in 3 Contra Costa cities, officials urge precautions

Contra Costa residents urged to act as new signs of West Nile virus detected in county

Mosquitoes face eviction: Santa Clara County vector workers to spray for West Nile virus

Vector control district ramps up sprays as more West Nile-positive mosquitoes found in Oakley

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