Mosquito in Norfolk tests positive for West Nile Virus

East Bay bird tests positive for West Nile Virus

(KRON) — A bird infected with West Nile Virus was recently documented in San Ramon. The bird was Contra Costa County’s first to test positive for West Nile Virus in 2025. The Contra Costa Mosquito and Vector Control District warns that infected birds are often the first sign that West Nile Virus is present in the region. Alameda and Santa Clara Counties have also confirmed cases of birds infected with West Nile Virus this year. “We typically sta…

Mosquito sample tests positive for West Nile virus in Norfolk

The above video about West Nile virus in Virginia aired July 11, 2025. NORFOLK, Va. (WAVY) — A mosquito sample collected last week on North Military Highway in Norfolk has tested positive for the West Nile virus, the first such positive test in the city this season, according to the Norfolk Department of Public Health. What to know about West Nile virus in Virginia The sample was collected July 18 along the 1100 block of North Military Hig…

West Nile virus found in Norfolk

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Mosquito in Norfolk tests positive for West Nile Virus

Heads up, Norfolk: A mosquito tested positive for West Nile Virus. Here's what you need to know.

Mosquitoes Test Positive For West Nile Virus In Niagara

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TPH confirms 1st mosquitoes to test positive for West Nile virus in 2025

Toronto – Toronto Public Health (TPH) has received confirmation that three mosquito batches collected in the city of Toronto have tested positive for West Nile virus, marking the first positive findings this year. West Nile virus is transmitted to humans through the bite of an infected mosquito. TPH conducts annual mosquito surveillance from mid-June until mid-September. Each week, 22 mosquito ... Read More The post TPH confirms 1st mosquitoes t…