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West Nile virus detected in Contra Costa County
There have been three human cases of West Nile Virus in California this year, with one fatal case, according to the ...
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West Nile virus detected in Contra Costa County, officials warn of rising risk
The Contra Costa Mosquito and Vector Control District has detected West Nile Virus in the area, the District confirmed. A California scrub jay in San Ramon tested positive for the virus, the District ...
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First Avian West Nile Virus Case of 2025 Reported in Contra Costa County, San Ramon Bird Tests Positive
Contra Costa County confirms its first 2025 avian West Nile virus case in a California scrub jay, prompting community engagement and preventive measures.
East Bay bird tests positive for West Nile Virus
A bird infected with West Nile Virus was recently documented in San Ramon. The bird was Contra Costa County’s first to test ...