St. Louis Encephalitis Virus Detected in Indian Wells Mosquitoes

This virus has not been found so far west in the Coachella Valley since it reappeared in 2015.

St. Louis encephalitis virus (SLEV) has been detected in a mosquito sample near the area of Vintage Drive and Portola Avenue in Indian Wells. This is the first detection of SLEV for Indian Wells and becomes the furthest west this virus has ever been found in the Coachella Valley since SLEV reappeared in 2015 mosquito samples. So far this year, there have been 95 SLEV positive samples and 509 West Nile Virus (WNV) positive samples. As of today, no human cases of SLEV have been reported in Riverside County this year but the California Department of Public Health has confirmed 11 human cases of WNV in Riverside County. 

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