West Nile Virus Detected in Dead Bird In San Mateo CountySan Mateo County's Mosquito and Vector Control District detected West Nile virus in a dead bird this week, the first case in the county since 2018.
Wet Winter Set Stage For Spike In Bay Area Mosquito PopulationBlame the wet weather in the Bay Area during the past winter for creating an almost perfect storm for mosquitoes.
Mosquito Concerns Grow After Wet Bay Area WinterThe rain this year may have gotten us out of our drought but biologists are concerned about mosquitoes breeding in standing water in grassy swamps.
California's Rainy Winter Likely To Give Mosquito Populations A BoostAfter years of drought the mosquito population is poised to make a comeback -- with a vengeance.
California's Booming Mosquito Population Puts Public At Increasing RiskIf you think you’re seeing more mosquitoes these days, you’re right. A new study from UC Santa Cruz shows the mosquito population in our state is growing at an astonishing rate.
Mosquitos In San Jose Test Positive For West Nile VirusAdult mosquitoes collected from three San Jose ZIP codes have tested positive for West Nile virus: 95112, 95131 and 95133.
2 More Zika Infections Reported In San Francisco; 10 SF Cases TotalAll San Francisco residents who have contracted the virus did so while traveling in countries where Zika is circulating, according to SFDPH officials.
Mosquitoes Test Positive For West Nile Virus In Contra Costa CountyTwo groups of mosquitoes in separate Contra Costa County communities tested positive for West Nile virus.
Republicans Block Emergency Zika Virus Funds As U.S. Mosquito Season LoomsWith hundreds of Zika virus cases already detected in the United States and American territories, Senate Democrats introduced emergency funding Monday after what they describe as significant push back from Republicans.
Pregnant Berkeley Woman Being Tested For The Zika VirusA pregnant woman in Berkeley is now being tested for the Zika virus, which is carried by mosquitoes, and has been linked to birth defects.
Zika Outbreak Prompts CDC Warning Pregnant Woman To Postpone Travel To S. America, CaribbeanThe Zika virus outbreak has prompted a travel alert urging pregnant women to postpone travel to 14 countries in the Americas.
Drought Blamed For State's Second-Highest Year Of Human West Nile Virus CasesThere 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.
Environmentalists Sue Santa Clara County For Right To 'Opt Out' Of Mosquito FoggingA 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.
Santa Clara County's Supply Of Free Mosquito Larvae-Eating Fish For Distribution Nearly GoneThis 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.
Mosquito Spraying Planned For Contra Costa County Tuesday NightParts 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.