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DEM's WNV/EEE Page

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News Release
RI Department of Environmental Management
235 Promenade Street, Providence, RI 02908
(401) 222-2771 TDD/(401) 222-4462

For Release: October 19, 2005
Contact: Gail Mastrati 222-4700 ext. 2402
Stephanie Powell 222-4700 ext. 4418

DEM: OCTOBER 19 WEST NILE/EEE STATUS UPDATE

PROVIDENCE - The Department of Environmental Management announces that test results from all 52 mosquito pools, or samples, from a total of 26 traps set statewide during the week of October 3 are negative for both West Nile Virus and Eastern Equine Encephalitis (EEE).

Alan Gettman, Ph.D., DEM's mosquito abatement coordinator, notes that the mosquito population has declined significantly, biting activity is much lower, and no new mosquitoes are being produced. "However," he said, "there will be some mosquito activity, particularly during periods of warmer daytime temperatures, until the first hard frost.

"Therefore," Gettman added, "Rhode Islanders should continue to protect themselves from mosquito bites, by covering up and wearing mosquito repellent when mosquitoes are active. One prime example would be when people are hiking in the woods in warmer weather."

DEM and the RI Department of Health (HEALTH) recommend that people routinely use mosquito repellent and cover up when mosquito biting activity is greatest, particularly from dusk to dawn. They should place mosquito netting over playpens and carriages outside, and be sure that screens are in good repair. Mosquito repellent should contain no more than 30 percent DEET, and it should not be used on infants.

This year, in Rhode Island, one Providence resident, currently recovering, has tested positive for West Nile Virus, one mosquito sample from Providence, and two birds — one in Portsmouth and one in East Providence — have tested positive for the disease. One horse, stabled in Lincoln Woods State Park and euthanized in August, tested positive for EEE, as did a 19-year-old emu from Roger Williams Park in Providence that was euthanized early this month. No mosquitoes in Rhode Island have tested positive for EEE. West Nile Virus is well established throughout the state and, indeed, throughout the country, and EEE is present in the environment. Personal protection is the first line of defense against mosquitoes that can carry diseases such as West Nile Virus and EEE and is by far the most effective way of avoiding infection.

Mosquitoes normally are trapped every week statewide through the end of October by DEM staff and tested at the HEALTH laboratory. However, because weather conditions have not been conducive to mosquito activity for the past two weeks, no trapping has taken place. (Mosquitoes did not fly during last week's continuous rain, and nighttime temperatures have been too cold for effective trapping this week.) If trapping takes place next week, which is scheduled to be the last week for trapping, test results will be reported by DEM on or by Wednesday, November 9, with additional reports as necessary.

For online information about mosquito-borne diseases, go to DEM's website, www.state.dem.ri.gov, and click on "Public Health" under "Topics", or go to the HEALTH website, www.health.ri.gov, and click on "E" or "W" under "Health Topics".

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