Support for LAist comes from
Become a sponsor
Audience-funded nonprofit news
Donate
Stay Connected

LAist is part of Southern California Public Radio, a member-supported public media network.

Audience-funded nonprofit news
Listen
Donate

The Brief

The most important stories for you to know today
  • The L.A. Report
    Listen • 9:55
    Embattled LA County juvenile halls, West Nile virus case in Pasadena, Oyster scraps for the coast — Saturday Edition
Jump to a story
  • News
    West Nile virus
    First Pasadena case of 2025 confirmed this week
    By  Dañiel Martinez
    Published October 11, 2025 7:13 AM

    Share This
    A close up shot of a mosquito with white spots on a white background.
    The Aedes species are becoming predominant in Southern California. The problem: they’re more difficult to get rid of.
    (
    Mailson Pignata/Getty Images
    /
    iStockphoto
    )

    Topline:

    The Pasadena Public Health Department confirmed their first human case of West Nile virus in 2025 yesterday.

    What we know: The case was first detected on Thursday. No details were released on the condition of the person who contracted the illness.

    The backstory: The last confirmed case of West Nile Virus in a Pasadena resident was in 2022. In September, L.A. County public health officials identified the first four human cases of West Nile virus infections. In September, Los Angeles County public health officials identified its first four human cases of West Nile virus infections.

    What's next: To reduce the presence of mosquitoes, public health officials recommend dumping stagnant water regularly, using screens on windows, and wearing protective clothing and insect repellent.

    Topline:

    The Pasadena Public Health Department confirmed their first human case of West Nile virus in 2025 on Friday.

    When did it happen: The case was first detected on Thursday. No details were released on the condition of the person who contracted the illness.

    Listen • 0:34
    First human case of West Nile virus confirmed in Pasadena

    The backstory: The last confirmed case of West Nile Virus in a Pasadena resident was in 2022. In September, LA County public health officials identified the first four human cases of West Nile virus infections.

    In September, Los Angeles County public health officials identified its first four human cases of West Nile virus infections.

    What's next: To reduce the presence of mosquitoes, public health officials recommend dumping stagnant water regularly, using screens on windows, and wearing protective clothing and insect repellent.
Loading...