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The Nexus
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Contra Costa Mosquito and Vector Control District

Coverage of Contra Costa Mosquito and Vector Control District in the Nexus archive.

Earliest in view: Jul 3 · 01:33 UTCMost recent: Jul 3 · 01:33 UTC
Co-mentioned in this coverage
American crowtopic1El Cerritoplace1West Nile virustopic1Contra Costa Countyplace1Martinezplace1
Recent coverage
  • HEALTHJul 3 · 01:33 UTCKRON4 SAN FRANCISCO
    Crow tests positive for West Nile virus in Contra Costa County

    A young American crow from El Cerrito tested positive for West Nile virus in Contra Costa County in 2026, marking the first bird case this year. No human cases have been reported, but mosquitoes from Martinez and another location tested positive for the virus.