24/7 LiveLos AngelesOrange CountyInland EmpireVentura CountyCalifornia

Weather Alert

Heat Advisory

Live election results

7-Day Forecast

En Español

7 On Your Side

Submit News Tips

ABC Price Tracker

West Nile Virus

Mosquito season is here early: How to protect your family

  • May 17, 2025

LA County confirms first West Nile virus mosquito sample of 2024

  • Jun 2, 2024

LA County confirms first West Nile virus death of the year

  • Sep 8, 2023

1st case of West Nile virus found in LA County mosquito this year

  • Jun 6, 2023

Will SoCal see more mosquitoes after all this rain?

  • Mar 30, 2023

LA County reports 1st cases of West Nile virus in humans for 2022

  • Aug 26, 2022

OC reports 1st case of West Nile virus after man tests positive

  • Aug 13, 2022

LA County reports its 1st West Nile virus death of the year

  • Sep 18, 2021

Latest Videos

0:25

LA County reports first West Nile virus death of the year

  • Oct 25, 2025
2:05

Mosquito season is here early: How to protect your family

  • May 17, 2025
0:26

Dr. Anthony Fauci was hospitalized with West Nile virus and is now recovering at home

  • Aug 24, 2024
0:29

West Nile virus found in mosquito samples in Santa Ana, 13 reported human cases in CA

  • Aug 22, 2024
0:23

LA County confirms first West Nile virus mosquito sample of 2024

  • Jun 2, 2024
0:24

LA County confirms first West Nile virus death of the year

  • Sep 8, 2023
0:21

1st case of West Nile virus found in LA County mosquito this year

  • Jun 6, 2023
2:05

¿Verá más mosquitos en el sur de California?

  • Mar 31, 2023

Latest Stories

'Ankle biter' mosquito breeding on the rise throughout Southern California

The summer heat is creating a breeding ground for "ankle biter" mosquitoes. The pesky insects aren't just breeding, they're biting as well.

  • Aug 6, 2021

LA County's 1st human case of West Nile virus this year reported in South Bay

Los Angeles County reported its first human case of West Nile virus, saying the South Bay resident was hospitalized but is recovering.

  • Aug 4, 2021

West Nile virus positive mosquitoes confirmed in Los Angeles County, officials say

The positive mosquito samples were collected from mosquito traps in Bellflower, Studio City, and Tarzana, confirming the presence of the virus in mosquito populations within the community.

  • Jul 23, 2021

Orange County reports first West Nile death of the year

Orange County is reporting its first death of the year from West Nile virus.

  • Sep 16, 2020

West Nile: LA County sees first death of the year from mosquito-borne virus

Los Angeles County health officials Wednesday confirmed the first death due to West Nile virus in the county this year.

  • Aug 13, 2020