The Coachella Valley Mosquito and Vector Control District has detected additional West Nile Virus (WNV) positive samples in the eastern Coachella Valley. Samples from routine collection sites in Thermal and Oasis tested positive for WNV for the first time this year. Samples in Mecca also returned positive results. This week’s findings bring the total number of WNV positive samples to eighteen for 2024, a significant increase compared to last year when no virus activity was detected at this time.
In response, the District has scheduled additional mosquito control treatments, including adult mosquito control by helicopter. The aerial application will cover the area bounded by Avenue 68 (north), Grant St. (east), Avenue 74 (south), and Buchanan St. (west). Enhanced mosquito surveillance efforts will continue to reduce mosquito populations and interrupt further virus transmission.
“We have been doing a lot of additional work in the area,” said Jeremy Wittie, General Manager for the District. “But remember to protect yourself to minimize your risk. Limit time outdoors at dawn and dusk and don’t skimp on the repellent.”
No human cases of WNV have been reported in the Coachella Valley or statewide this year. There is currently no human vaccine for West Nile Virus. Residents are advised to take preventive measures against mosquito bites by using EPA-registered insect repellents containing at least thirty percent DEET, picaridin, oil of lemon eucalyptus, or IR3535.
West Nile Virus spreads when a female mosquito bites an infected bird, subsequently becoming a carrier that can transmit the virus to humans. Most people infected with WNV will not exhibit symptoms; however, some may experience fever, headaches, and body aches that can require hospitalization in severe cases.
Residents are urged to prevent mosquito bites by avoiding outdoor activities during peak mosquito activity times around dawn and dusk, wearing long sleeves and pants, ensuring window and door screens are intact, and using appropriate insect repellents.
To prevent mosquitoes around homes, residents should regularly check lawn drains for water and debris, inspect yards for standing water sources such as potted plants and bird baths, clean pet dishes weekly, and maintain swimming pools with working pumps.
Additional information on mosquito control treatments is available on the District’s website.
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