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Maternal, Child, & Adolescent Health


MCAH Programs

Contact Information
Los Angeles County
Department of Public Health
Maternal, Child, and Adolescent Health Programs
600 S. Commonwealth Ave., 8th Floor
Los Angeles, CA 90005
Tel: (213) 639-6400
FAX: (213) 639-1034
Zika Information on Mosquitoes

Los Angeles County has no reported local transmission of Zika. But mosquitoes that could potentially transmit Zika are found in parts of LA County. You can take steps now to control mosquitoes outside and inside your home and protect you and your family from mosquito bites.

Report mosquito problems
Control mosquitoes in and around your home
Use mosquito repellent when you travel
Mosquito prevention starts with you

Report mosquito problems

Report day-biting mosquitoes or water accumulation problems in your neighborhood. Find out where to report potential mosquito breeding situations by going to the Acute Communicable Disease Control Mosquito Reporting page. Click the image below for a map of vector control agencies in Los Angeles County.

Vector Control Agencys Map Source: 2015MapListLACountyVectorControlAgencies.pdf

Click here to locate your local vector control agency.

Control mosquitoes in and around your home

No MosquitoesMosquitoes can lay eggs in small puddles or containers of water in and around your home. Find all the places in your home where mosquitoes can lay their eggs and get rid of any free-standing water! Remember to do this once a week. Click here or read on for some more tips:

  • Remove free-standing water around the house, like vases and flowerpot saucers.
  • Keep mosquitoes out of your house by using window screens and door screens. Do not leave doors propped open.
  • Photo of Larvicide DunkUse an outdoor insect spray to kill mosquitoes in dark, humid places like under furniture or in garages.
  • Tightly cover water storage containers, like buckets and rain barrels.
  • Larvacides can kill mosquito larvae in large containers of standing water that will not be used for drinking. Here is an example of what larvacide looks like:
  • Mosquitofish is a fish that eats mosquito larvae. You can buy mosquitofish to put in large bodies of water. More information on mosquitofish can be found here:

Picture of Mosquitofish

Use mosquito repellent when you travel

Protect yourself from mosquito bites when you travel to and come back from Zika-affected countries.

Image of mosquito Image of insect repellent

Use an outdoor insect spray and wear long-sleeved shirts and long pants when you travel to an area with Zika. Remember to protect your children as well!

Use insect repellents that are registered with the Environmental Protection Agency (EPA). This is safe for pregnant and breastfeeding women. Always use as directed. 

Do not spray repellent on the skin under clothing. If you are also using sunscreen, apply sunscreen first and insect repellent second.

 Active ingredients in mosquito repellent Source: 

Mosquito prevention starts with you

Find out more about protecting your children from the Zika virus.

More Information:


Centers for Disease Control and Prevention. Controlling Mosquitoes at Home. April 21, 2017. Retrieved from:

Centers for Disease Control and Prevention. CDC’s Response to Zika: Protect Your Family. March 2, 2017. Retrieved from:  

Centers for Disease Control and Prevention. Mosquito prevention starts with you. April 1, 2016. Retrieved from  

CDC’s Response to Zika: Larvicides Kill Young Mosquitoes. CS267364A. December 16, 2016. Retrieved from:  

Greater Los Angeles County Vector Control District. Mosquitofish. (nd). Retrieved from


Revised: 03/21/2018

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