Greater Los Angeles County Vector Control District

Community Health, Comfort, and Welfare Through Effective and Responsive Vector Control Since 1952.

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Invasive Aedes Mosquitoes

New threats are moving into our communities. The invasive Aedes mosquitoes have the potential to transmit Zika, dengue, yellow fever, and chikungunya.

Are They in Your City? Learn more

West Nile Virus

District Response Level

EMERGENCY PLANNING

Get the information you need to protect yourself and your family from this mosquito-borne disease

What is West Nile virus? | Get the Latest Stats

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Latest Blog Posts

Calling all Concerned Citizens!
04/30/2018
Stay Bite-Free: Happy Thanksgiving Weekend
11/22/2017
Happy Halloween: Don’t let mosquitoes haunt your week!
10/31/2017
Disease Watch: West Nile Virus Activity Includes More Human Cases and Mosquitoes
09/11/2017
The Music of Mosquito: Creating a Buzz Through Song
09/06/2017

The Greater Los Angeles County Vector Control District offers FREE science programs to schools within District boundaries. GLACVCD also provides materials and videos for educators, citizens and students.

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News Alerts

More San Fernando Valley Mosquitoes Test Positive for WNV
08/14/2018
Additional West Nile Positive Mosquitoes Found in the San Fernando Valley
07/27/2018
First WNV Positive Mosquitoes Found – Panorama City
07/16/2018
Operation TIP THIS HOUSE Preparedness Exercise
07/02/2018
West Nile Virus Prevention Efforts Continue in San Fernando Valley
09/26/2017

What is a Vector?

A vector is any arthropod, insect, rodent or other animal of public health significance capable of harboring or transmitting the causative agents of human disease (e.g. malaria, plague) to humans. Under certain circumstances, insects or other arthropods that cause human discomfort or injury, but not disease, are sometimes referred to as vectors.