(BCN) — A dead bird in Concord has tested positive for West Nile virus. The Contra Costa Mosquito and Vector Control District said Friday an American crow was picked up with the virus April 9. It’s the first case reported in Contra Costa County this year, after infected birds were reported from Alameda, San Mateo, […]
Two more dead birds and two more groups of trapped mosquitoes have tested positive for West Nile virus in Contra Costa County, according to the county's Mosquito and Vector Control District.
Map: West Nile Virus Intensifies In Contra Costa County - Martinez, CA - A dead California scrub jay from Concord and a dead American crow from San Ramon tested positive this week for West Nile virus.
A third dead bird and a third group of mosquitoes have tested positive for West Nile virus, the Contra Costa Mosquito and Vector Control District said Friday. The discoveries mark the latest in a string of infected animals and insects across the Bay Area.
Contra Costa Sees Increase In West Nile Virus Activity - Walnut Creek, CA - County residents should take precautions to reduce the risk of mosquito bites, the Contra Costa Mosquito and Vector Control District said.