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August 5, 2010

18 Additional West Nile Virus-Positive Mosquito Pools

Confirmed in Nassau County

Uniondale, NY – Nassau County Department of Health today announced the isolation of West Nile virus (WNV) from 18 additional mosquito pools in Nassau County.  This brings the total to 48 mosquito pools positive for West Nile virus in Nassau County this year.

The latest samples, all Culex pipiens-restuans, were collected on July 23rd in East Garden City, July 27th in Baldwin and Long Beach, July 28th  in Bethpage, Farmingdale, Hicksville (2 pools), Old Bethpage (2 pools) and Roosevelt, July 29th in Jericho (2 pools), and on July 30th in Kings Point (2 pools), Lake Success, Plandome Manor, Sands Point and Searingtown.  The test results were confirmed today by the New York State Department of Health.

To date, one human has tested positive for West Nile virus in Nassau County this year.

The Nassau County Departments of Health and Public Works will continue their mosquito control efforts by inspecting breeding sites and, when necessary, applying larvicide. Mosquito surveillance will continue at 42 trap sites located throughout the County, and will be intensified in those communities where positive mosquito pools were identified. 

Because West Nile virus is present throughout New York State and beyond, and the primary carrier of West Nile virus in Nassau County is Culex pipiens-restuans, or “the house mosquito” which does not fly more than 200 feet from its breeding site, residents are urged to continue to take these precautions for safety and protection:

  • Remove or empty standing water from children’s outdoor toys, flower pots, garbage cans, pails, old tires, or any object that can hold water.
  • Make sure roof gutters drain properly; clean clogged gutters in the spring and fall.
  • Keep swimming pools chlorinated and their covers free of stagnant water.
  • Change the water in birdbaths every two or three days.
  • Install window and door screens and keep them in good repair.
  • Consider wearing long sleeves, pants, socks and mosquito repellent (according to directions) if outdoors when mosquitoes are active, especially in the late afternoon and evening hours.
  • Decorative ponds and water features should be circulated or chlorinated if they do not contain fish to prevent mosquito breeding.

For mosquito, stagnant water, or drainage problems, call the Nassau County Department of Public Works at: (516) 572-1166, weekdays from 7:45 am to 3:30 pm.

For additional information, please call the West Nile Virus Spray Hotline at 1-888-844-8657 or visit the Nassau County Department of Health website at