First Mosquito Sample and Two New Birds Test Positive for West Nile Virus


July 7, 2011



Elk Grove, Calif.—The Sacramento-Yolo Mosquito and Vector Control District (District) confirmed today that the first mosquito sample of the season and two new birds have tested positive for West Nile virus (WNV).  The mosquito sample and one of the birds is from the Wilton area of South Sacramento County, while the other bird was found in the Pocket area. “As we expected, the hot temperatures from the past days increased the number of mosquitoes and accelerated virus activity,” said David Brown, District Manager. “It’s important for residents to take these findings seriously because anyone bitten by an infected mosquito can become ill.”


The detection of this recent WNV activity in our area is evidence that the disease is present and the public should take precautions to stay protected. “As you enjoy the outdoors on warm summer evenings, the best protection against mosquito bites is an effective insect repellent” said Brown.


As a response to the finding of WNV, the District will increase its mosquito trapping and monitoring in the area to find sources where mosquitoes may be breeding. Targeted ground spraying will also be conducted to rapidly decrease the numbers of adult mosquitoes.


For current information about District activities, please visit Residents may also subscribe to mailing lists to receive email notifications for upcoming mosquito treatments by zip code. To sign up, go to Spray Notifications on the website.

Contact: Luz Maria Rodriguez, Public Information Officer

Office: 916.405.2082 | Cell: 916.416.6337


Practice the District D’s of Mosquito Prevention:

DRAIN standing water that may produce mosquitoes.

DAWN and DUSK are times to avoid being outdoors.

DRESS appropriately be wearing long sleeves and pants when outside.

DEFEND yourself by using an effective insect repellent.  Make sure to follow label directions!

DOOR and window screens should be in good working condition.

DISTRICT personnel are also available to address any mosquito problems. Call them at 1-800-429-1022 or visit