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Monday, December 22, 2014
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The mission of the Orange County Vector Control District is to provide the citizens of Orange County with the highest level of protection from vectors and vector-borne diseases.

Orange County is currently experiencing the highest level of West Nile virus infection in mosquitoes ever recorded in the county.

Mosquito control is shared responsibility, and as such, every citizen has a role to play in reducing the threat of West Nile virus. Follow these recommendations to help protect yourself and your community:

  • Eliminate any standing water around your home and community.

  • Avoid runoff from overwatering lawns and washing vehicles.

  • Make sure all of the window and door screens on your home are installed and in good repair.

  • Wear an insect repellent that contains DEET®, Picaridin, Oil of Lemon Eucalyptus, or IR 3535.

  • Contact the Orange County Vector Control District at (714) 971-2421 to report biting mosquitoes, dead birds, or neglected pools.

Click here for the latest West Nile virus Activity Map
Click here for the latest West Nile virus human infection data


To request service, click the Request Service button in the upper left of this page.

Since rat control is a perennial problem, there are many things you can do to decrease the liklihood of rats at your home. Information about do-it-yourself rat control is found here.

Have you seen these signs in your neighborhood? Click on the images for answers to frequently asked questions.
Red Imported Fire Ants

Find your neighborhood treatment schedule

Vector Surveillance Data

2014 West Nile virus Activity Map

2014 West Nile virus Interactive Map

2004-2014 West Nile virus Human Infection Map

2014 Flea-borne Typhus Case Investigation Map

2006-2014 Flea-borne Typhus Human Infection Map

2012 West Nile virus Activity Map

2012 Red Imported Fire Ant Surveillance Map

1992 -2012 Hanta virus Surveillance Map

Upcoming Events

The District participates in community events, providing educational information on the activities of the District and what you can do to assist in the shared responsibility of vector control.

For more information, please contact the District at (714) 971-2421 or at ocvcd@ocvcd.org.

Hey OC Did You Know!


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Latest News

MEDIA ADVISORY - Notification of Press Conference Regarding West Nile Virus PDF
ALERT: West Nile Virus Continues to Rise PDF
West Nile virus Activity Alert in the City of Santa Ana

Orange County's Most Wanted, San Clemente Times article of June 19-25, 2014 San Clemente Times logo
Simple steps will help protect you and your home from summer pests, Orange County Register article of June 2, 2014 OC Register logo
Results of Mike Saba's Mosquito Fish Survey of 2014 PDF
Public Notice for Application of Public Health Pesticides PDF
2014 Red Imported Fire Ant Neighborhood Treatment Schedule PDF
Press Release - Orange County Reports West Nile Virus Related Fatality PDF
Adult Mosquito Control Application Schedule PDF

NEW! Red Imported Fire Ant Educational Material (click on the thumbnail to view/download PDF)


NEW! Fly Prevention Educational Material (click on the thumbnail to view/download PDF)


Environmental Documents Now Available

- Notice of Determination Programmatic EIR/EIS (PDF)

- Public Notice of Public Meeting Regarding Final Environmental Impact Report (PDF)
- Final Environmental Impact Report Response to Comments (PDF)

City of Irvine Town Hall Meeting. Residents are invited to a town hall meeting at 6:30 p.m. Thursday, Oct. 11 at the Lakeview Senior Center. Vector Control District officials will lead the discussion about an influx of flea-borne typhus cases and  mosquito-borne West Nile virus. Learn the latest news on the Irvine numbers and on prevention from Orange County Vector Control’s experts. Lakeview Senior Center is at 20 Lake Road, Irvine, 92604, across from Woodbridge High School. No RSVP required. Admission is free. For more information about the meeting: (949) 654-2421.  
Now Available - OCVCD Flea-borne Typhus Public Health Advisory


Spanish - OCVCD Flea-Borne Typhus Public Health Advisory. PDF
PRESS RELEASE - Labor Day West Nile virus Alert PDF
"A Homeowner's Guide to Rodent Control" educational video is now available!
PRESS RELEASE - 2012 1st Positive Mosquito Pool in Orange County PDF
mosquitoes rats
(Click on each thumbnail above to view/download PDF)
LOCAL NEWS - "All In a Day's Work" - San Clemente Times WEB
VIDEO - OC, Did You Know? Are You Feeding Rats?
VIDEO - OC, Did You Know? Rat Entry Behavior
FLYER - We Need Your Help! - Asian Tiger Mosquito PDF
PRESS RELEASE - New 2012 Board of Trustees President Appointed! PDF
VIDEO - Mosquito Fish Eating Larvae
WEB - Lyme Disease section added! WEB
PRESS RELEASE - Seasonal Tick Warning
Updated/New Tick Images
Bed Bug Inspection Techniques (Warning: Large file - 2MB) PDF
Integrated Vector Mgmt. & Response Plan PDF
2011 WNV Lab Data PDF
LA County Agriculture: Most Wanted Pests WEB
New PSA on Ticks (30sec MP3) MP3
Videos WEB

District Office
13001 Garden Grove Blvd.
Garden Grove, CA 92843
Phone: (714) 971-2421 or (949) 654-2421
Fax: (714) 971-3940
Request Service: Click Here
General Inquiry: ocvcd@ocvcd.org


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