West Nile Virus Update: Threat Still Active and Widespread

September 26, 2014

Santa Fe Springs, Calif. – West Nile virus continues to be active in Los Angeles County. The Greater Los Angeles County Vector Control District (GLACVCD) closely monitors WNV activity in mosquitoes, wild birds, and sentinel chickens which helps identify areas of concern and provide warnings to area residents.

As the summer progresses, these WNV surveillance indicators continue to document active WNV transmission in many communities. This week, GLACVCD confirmed WNV‐positive test results for 19 additional mosquito samples, 4 birds, and 10 chickens from 4 flocks (see table below).

Kelly Middleton, GLACVCD’s director of community affairs cautions residents not to let their guards down.

“Southern California residents will need to remain diligent for several more months. Infected mosquitoes will continue to transmit WNV until we get our first significant cold snap in the southland.”

To prevent mosquito bites, the District urges people use mosquito repellents shown to be effective, specifically those containing DEET, Picaridin, oil of lemon eucalyptus, or IR3535 if outdoors between dusk and dawn when these mosquitoes are most active. Repellents should always be applied according to label directions. Doors and window screens must be used and in good repair to keep mosquitoes out of the home.

A total list of all positive results can be found at www.GLACVCD.org.