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West Nile Virus

WCVB FILE

'Yellow fever mosquito' known to carry disease found in East Bay

  • Aug 29, 2024

West Nile virus-positive mosquitos found in Santa Clara Co.

  • Aug 2, 2023

Bay Area drones called in to fight expected heightened mosquito season

  • May 3, 2023

Experts warn Bay Area residents to prep for incoming mosquitoes

  • Apr 5, 2023

Mosquitoes, dead birds test positive for West Nile Virus in East Bay

  • Aug 18, 2018

NC mom sends warning to other parents after mosquito bite lands 6-year-old in ICU

  • Aug 14, 2018

Birds, mosquitoes test positive for West Nile Virus in Discovery Bay area

  • Aug 11, 2018

Bay Area labs testing birds for West Nile virus

  • Jul 18, 2018

Latest Videos

1:52

Invasive 'yellow fever mosquito' known to carry disease found in North Concord

  • Aug 29, 2024
2:07

West Nile virus-positive mosquitos found in Santa Clara Co.

  • Aug 2, 2023
2:01

How drones in South Bay are combatting an expected heightened mosquito season

  • May 3, 2023
1:47

Experts warn Bay Area residents to prep for incoming mosquitoes

  • Apr 5, 2023
2:23

Bay Area labs testing birds for West Nile virus

  • Jul 18, 2018
2:36

Consumer Reports: Best repellents against mosquitoes, ticks

  • Aug 25, 2017
0:26

West Nile virus confirmed in dead birds found in Contra Costa County

  • Aug 18, 2017
0:29

20 million mosquitoes will be released in Fresno to prevent viruses

  • Jul 26, 2017

Latest Videos

1:52

Invasive 'yellow fever mosquito' known to carry disease found in North Concord

  • Aug 29, 2024
2:07

West Nile virus-positive mosquitos found in Santa Clara Co.

  • Aug 2, 2023
2:01

How drones in South Bay are combatting an expected heightened mosquito season

  • May 3, 2023
1:47

Experts warn Bay Area residents to prep for incoming mosquitoes

  • Apr 5, 2023
2:23

Bay Area labs testing birds for West Nile virus

  • Jul 18, 2018
2:36

Consumer Reports: Best repellents against mosquitoes, ticks

  • Aug 25, 2017
0:26

West Nile virus confirmed in dead birds found in Contra Costa County

  • Aug 18, 2017
0:29

20 million mosquitoes will be released in Fresno to prevent viruses

  • Jul 26, 2017

Latest Stories

West Nile Virus detected in Monterey Co. for first time this year

West Nile virus has been detected in Monterey County for the first time this year, county health officials announced Monday.

  • Aug 21, 2017
AP Photo/LM Otero

West Nile virus confirmed in dead birds found in Contra Costa County

More West Nile virus activity has been reported in Contra Costa County with the confirmation today of a dead bird in Walnut Creek and a group of mosquitoes in Byron testing positive for the virus.

  • Aug 11, 2017
KGO-TV

20 million mosquitoes will be released in Fresno to prevent viruses

This may not sound like a great idea, but the goal is to reduce the mosquito population and the threat of West Nile Virus and Zika, which the insects carry.

  • Jul 26, 2017

Mosquitoes with West Nile Virus prompt treatment in Milpitas

A section of Milpitas east of the Great Mall shopping center is scheduled for treatment Wednesday night after mosquitoes recently found in the area tested positive for West Nile virus, according to the Santa Clara County Vector Control District.

  • Sep 14, 2016
KGO-TV

Officials fogging San Jose neighborhood to prevent West Nile virus from spreading

Santa Clara County Vector Control officials are fogging part of a San Jose neighborhood to stop the spread of the West Nile virus.

  • Jul 14, 2016