A group of mosquitoes and several dead birds found throughout Contra Costa County have tested positive for the West Nile virus in recent weeks, Contra Costa County Mosquito and Vector Control District officials said Tuesday.
In an effort to reduce mosquito populations, and the threat of West Nile virus in San Mateo, the San Mateo County Mosquito and Vector Control District said that a fogging operation performed last week was successful.
California health officials have reported that two people have been infected with West Nile Virus in the state. West Nile virus is transmitted through the bite of infected mosquitoes.
Mosquitoes have tested positive for West Nile Virus in San Jose, according to South Bay officials.
Santa Clara County Vector Control will spray insecticides by helicopter on Tuesday morning to prevent the emergence of adult mosquitoes, according to an agency press release.
A dead American crow recently found near the intersection of Danville Blvd. and Camille Pl. in Alamo tested positive for the disease.
As dangerous Yellow Fever Mosquito spreads in the Bay Area, look for white markings, and brown color to identify these smaller insects.
A deadly mosquito that hasn’t been seen in the Bay Area since the 70s has been detected in San Mateo County.
A mosquito found in a residential area of Menlo Park tested positive for yellow fever.
The discovery of birds infected with West Nile virus has prompted Contra Costa County officials to schedule a mosquito spraying in Brentwood Thursday night.