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Virus Activity and Invasive Species Detection

Virus Activity in the Coachella Valley
West Nile virus activity (WNV) has been detected in the Coachella Valley. The map below is for virus activity in 2017. The District uses mosquito traps (CDC - CO2 baited traps and gravid traps) as part of our surveillance program to detect arbovirus activity. The traps are set up throughout the Coachella Valley in both urban and rural habitats. The map displays within a quarter mile the locations where mosquitoes have tested positive for WNV this year.



(Updated September 20, 2017)
  WNV SLE
Human cases 1 0
Mosquito pools 118 23

Red BlueBalloons represent mosquito trap sites where West Nile virus- and Saint Louis encephalitis-positive mosquitoes have been collected (red is for WNV and blue is for SLE. Balloons are within a quarter mile of actual sites).

Invasive Mosquito Species in the Coachella Valley
On May 9, 2016 the invasive mosquto species Aedes aegypti was detected in the Coachella Valley. This mosquito species is capable of transmitting dangerous viruses, such as Zika, however, currently there is no mosqutio transmission of Zika in California. The map below shows which cities or communities have postive detections of this mosquito species. Learn more.


Learn more about mosquito-borne viruses, invasive mosquitoe species, and the District's response plan.

The geographical representation of this map and/or drawing is provided for informational purposes only and should be used for Reference only. Any information represented here is not guaranteed to be accurate or current. No reliance on angles, distances, area sizes or other land survey data should be assumed without verification by the user. Neither the Coachella Valley Mosquito & Vector Control District nor the Coachella Valley Mosquito & Vector Control District Information Technology Department accepts any responsibility for errors or omissions. This webpage may not be reproduced, edited, or otherwise altered in any way without advanced permission of the Coachella Valley Mosquito & Vector Control District Information Technology Department.

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