US EditionMosquito in Norfolk tests positive for West Nile Virus
NORFOLK, VIRGINIA, JUL 22 – Norfolk health officials began mosquito control efforts after detecting West Nile virus in a mosquito sample, with 1 in 150 infected individuals developing severe illness, the health department said.
- Mosquitoes collected in Anaheim and Garden Grove have tested positive for West Nile virus, marking the first confirmed cases in Orange County this year, according to the Orange County Mosquito and Vector Control District.
- A dead bird found in Garden Grove also tested positive for West Nile virus, indicating that the virus is circulating in the community, said Amber Semrow, Director of Scientific and Technical Services at OCMVCD.
- No human cases have been reported in Orange County so far this year; however, warm summer conditions are favorable for virus transmission.
- OCMVCD is increasing mosquito surveillance and control and urging residents to dump standing water, clean bird baths, and wear mosquito repellent containing DEET or other effective ingredients.
13 Articles
13 Articles
West Nile virus found in Orange County mosquito samples
Public health officials on Tuesday said mosquito samples collected in Anaheim and Garden Grove have tested positive for West Nile virus, the first confirmed virus activity this year. There have been four positive mosquito samples collected in those cities, according to the Orange County Mosquito and Vector Control District. So far though, no human cases of the West Nile virus have been reported. A dead bird recovered in Garden Grove also tested …
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…
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