Mosquitoes trapped by Metro Public Health test positive for West Nile virus | Davidson County

    (photo MGN-Online)    Jessica Michalski NASHVILLE, TN (WSMV) – Health officials confirmed batches


mosquito generic photo


(photo MGN-Online) 


NASHVILLE, TN (WSMV) – Health officials confirmed batches of mosquitoes collected by the Metro Public Health Department’s Pest Management Division have tested positive for West Nile virus. No human cases have been reported.

The mosquitoes were trapped near the intersection of Mossdale Road and Rural Hill Road.

The Health Department’s Pest Management staff mailed information about mosquito protection and prevention to addresses in the areas close to where the mosquitoes were trapped. In addition, the Pest Management Staff will continue to monitor standing water looking for mosquito larvae. Staff will apply a granular larvicide to any areas where mosquito larvae are present.

Staff began trapping mosquitoes in all parts of Davidson County the first week in May. The mosquitoes are sent to the Tennessee Department of Health’s lab for testing.  There have been no human cases reported in Davidson County and health officials say there are no plans to spray to kill adult mosquitoes.

The Health Department recommends taking the following steps to protect against biting mosquitoes, including:

  • Limit time outdoors at dusk and nighttime hours when mosquitoes are present.
  • If you must be outdoors then wear a mosquito repellent that is approved for use by the CDC – those include products that contain DEET, Picaridin, and Oil of Lemon Eucalyptus.
  • Wear shoes, socks, long sleeve shirts and pants when outdoors during dusk to dawn when mosquitoes are most prevalent.  Clothing should be light colored and made of tightly woven materials to keep mosquitoes away from the skin.  Pant legs should be tucked into shoes or socks, and collars should be buttoned.
  • Make sure your windows and doors have screens and are in good repair.

Health Department officials recommend taking steps to reduce mosquito breeding areas.  This includes:

  • Reduce or eliminate all standing water in your yard – especially in children’s toys, bird baths, clogged gutters, tires, flowerpots, trashcans, and wheelbarrows.
  • Aerate ornamental pools or stock them with Gambusia fish.
  • Apply mosquito dunks in standing water areas on your property.
  • Cut back overgrown vegetation (mosquito hiding areas).

Health Department staff began monitoring standing water in all areas of Nashville in late February.  Staff applies larvicide when mosquito larvae are present to kill the larvae before they become adult mosquitoes. 

Please visit the Health Department’s website and Facebook and Twitter  for more information and updates. Davidson County residents that are having mosquito problems can call 615-340-5660 to arrange to have a Pest Management staff member come and inspect their property and provide mosquito control and prevention advise.  Pest Management staff will check your property for standing water and apply the larvicide if mosquito larvae are present.

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