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Infected mosquitoes were collected from traps in Orangetown and Clarkstown during the week of Monday, June 21, marking the first confirmed cases of West Nile in Rockland this summer.
No human cases were reported, County Health Commissioner Dr. Patricia Schnabel Ruppert said. The last known case of West Nile in a Rockland resident was reported in 2018.
“This is typically the time of the year we expect to see a rise in West Nile Virus activity, and these positive mosquito pools confirm that,” Schnabel noted.
According to the Department of Health, most mosquitoes do not test positive for disease-causing viruses. However, a bite from a West Nile Virus-infected mosquito can cause serious illness, and in some cases, death.
“Although a person's chances of getting sick are small, those aged 50 and older are at the highest risk for serious illness,” officials noted. “Not everyone infected with West Nile Virus will become ill."
If contracted, West Nile can cause serious health complications, including neurological diseases, and can also cause a milder flu-like illness, including fever, headache and body aches, nausea, and occasionally a skin rash and swollen lymph glands.
Ruppert said that mosquitoes lay their eggs in standing water, which develops for seven to 10 days before emerging as adult mosquitos that fly and bite.
"Health Department mosquito control teams will continue to visit all known mosquito breeding sites, including sites near these positive mosquito pools,” Ruppert noted. "Larval control activities will continue throughout the summer.”
To avoid mosquitoes gathering and to control their spread, the Department of Health offered advice for area residents:
- Check your property for any items that can hold water. Anything you choose to keep outside, such as kids' toys, buckets, wading pools, canoes, and wheelbarrows, should be flipped over when not used to prevent them from collecting any water;
- Drill holes in the bottoms of recycling containers and remove all discarded tires;
- If you have a swimming pool or spa that is not in use, drain the water off the cover or treat the standing water with Mosquito Dunks, and post accordingly. (The dunks are available free of charge at the Health Department, Building D, 50 Sanatorium Road in Pomona, Monday - Friday by appointment only, while supplies last. Call (845) 364-3173 or e-mail wnv@co.rockland.ny.us to arrange a pickup);
- Tightly cover water storage containers (buckets, cisterns, rain barrels) so that mosquitoes cannot get inside to lay eggs. For containers without lids, use wire mesh with holes smaller than an adult mosquito;
- Use an outdoor flying insect spray where mosquitoes rest. Mosquitoes rest in dark, humid areas like under patio furniture or under the carport or garage. When using insecticides, always follow label instructions;
- If you have a septic tank, repair cracks or gaps. Cover open vent or plumbing pipes. Use wire mesh with holes smaller than an adult mosquito;
- Make sure that roof gutters drain properly, clear vegetation and debris from the edges of ponds, and remove leaf debris from yards and gardens.
“The dedicated professionals in our Health Department's Mosquito Control Program are doing their utmost to protect us all,” County Executive Ed Day stated. “We ask that you do your part in checking your property to eliminate any standing water where mosquitos could breed.”
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