There were more than 800 human cases of West Nile virus throughout the state in 2014, the second-highest year on record to date, the state Department of Public Health announced Wednesday.
A fight over mosquito fogging is brewing in Santa Clara County as environmental activists are suing the county to allow residents to opt-out of the spraying of pesticides.
This year’s supply of mosquitofish is nearly gone in Santa Clara County, but the county’s Vector Control District is planning to renew in April its program offering the mosquito larvae-eating fish for free to the public.
Parts of the Martinez, Pittsburg and Bay Point waterfronts will be fogged Tuesday evening in an ongoing effort to control mosquito populations in the area and prevent the spread of West Nile virus.
This year is shaping up to be one of the worst for West Nile virus since 2005, both here in the Bay Area and across the state. Public health officials are attempting to figure out why but climate change and drought are likely factors.
The West Nile virus has been discovered in a dead bird and pool of mosquitoes at Clay Park in South San Francisco, and at the Bruno Canziani park area in Livermore.
Five residents of Santa Clara County have been infected with the West Nile virus, including two who developed the severe neuroinvasive form that can lead to death.
County mosquito control officials will spray for mosquitoes in a roughly square-mile section of East San Mateo tonight to prevent the spread of West Nile virus, county officials said Wednesday.
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.