New Rochelle Resident Contract’s Westchester’s First 2012 Case of West Nile Virus 
Westchester County officials reported that a 28-year-old New Rochelle resident has contracted the county’s first case of West Nile Virus this year and is recovering at home after being hospitalized.
The County Department of Health conducted a local environmental assessment of the area around the resident’s home for signs of mosquito breeding activity. Residents in the area were advised to remove any standing water from their properties and several catch basins in the area were retreated with larvacide.
The Health Department prepared for the summer mosquito season by applying larvicide briquettes to street catch basins that held standing water on county and local roads in an effort to prevent the spread of mosquito-borne diseases such as the West Nile virus. The county advises residents to do their part by taking personal protection measures and removing standing water where mosquitoes can breed.
So far this year, 22 positive mosquito batches were identified in Westchester, starting about a month ago. Last year at about this time, 26 positive mosquito batches had been found in the county, with the first batch identified in early August, In 2011, three human cases of West Nile virus were reported and there were no deaths.
However in New York City, officials have reported eight cases of West Nile Neuroinvasive Disease, four of those in Manhattan. In response to “rising activity” the city plans to spray a wide area of the Upper West Side on Friday morning 8/31 – from West 58th Street to West 97th Street. The Department of Health is urging people to stay inside during the spraying.
So far, Westchester has no plans to spray pesticides. “Despite a surge in West Nile Virus activity nationwide, so far mosquito activity in Westchester is on par with last year,’’ said Rick Morrissey, Deputy Commissioner for Environmental Health. “The county health department conducted extensive mosquito prevention efforts again this year, larvaciding over 40,000 street catch basins. We will continue to monitor mosquito activity and recommend that residents are vigilant about removing standing water on their property.’’
West Nile Virus infection most often causes a mild or moderate flu-like illness, but can be more serious and potentially fatal in people 50 and older, and those with other health complications.
To help eliminate mosquito breeding grounds where you live:
- Get rid of all water-holding containers, especially old tires, cans, buckets, drums, wheelbarrows and bottles.
- Cover outdoor trash containers to keep rainwater from accumulating inside.
- Drill holes in the bottoms of recycling containers that are left outdoors.
- Clean roof gutters and remove standing water from flat roofs.
- Drain water in birdbaths, plant pots and drip trays twice a week.
- Sweep driveways after it rains so that they are free of puddles.
- Clean and chlorinate swimming pools, outdoor saunas and hot tubs. Keep them empty and covered if not in use; drain water that collects in pool covers.
To reduce your risk of mosquito bites:
- Avoid being outdoors in places and during times where and when mosquitoes are active and feeding.
- Use insect repellents with no more than 30% DEET, but use them sparingly and with care.
- Select the lowest concentration effective for the amount of time spent outdoors. Products with concentrations around 10% are effective for periods of approximately two hours.
- A concentration of 24% has been shown to provide an average of five hours of protection. DEET should not be applied more than once a day.
Products containing DEET are not recommended for use on children under 2 months of age. Carefully read and follow directions on the container and wash treated skin when mosquito exposure has ended. - Wear protective clothing such as long pants, long-sleeved shirts and socks when outdoors in areas and at times where and when mosquitoes are active.
- Make sure doors and windows have tight-fitting screens.
- Repair or replace screens that have tears or holes.
For more information on the department’s larviciding and West Nile virus prevention activities, call the Westchester County Department of Health at (914) 813-5000 or visit www.westchestergov.com/health .
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Hen Island in Rye is home to Westchester County’s worst mosquito infestation on record. Every home on Hen Island illegally stores hundreds and sometimes thousands of gallons of water for domestic use. In addition, for years the high reed areas of the Island have been used as a dump site for debris that has washed ashore over the winter and during the summer. Trees that have been cut and pruned have been stored throughout the Island. Each one of these actions encourages the breeding of millions of mosquitoes. All of the above has been officially documented in a Westchester County investigation from 2007 and/or a City of Rye violation notice issued to Kuder Island on April 8th 2009. The City of Rye specifically addressed the mosquito infestation and put the Island on notice about their concerns as did a recent County report. To this date no actions have been taken to address any of the health and safety issues.
1.) In an area where West Nile occurs, the longer you're exposed to biting mosquitoes and the higher the concentration or number of mosquitoes at the location, the higher your chances are of acquiring the virus.