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News Release RI Department of Environmental Management 235 Promenade Street, Providence, RI 02908 (401) 222-2771 TDD/(401) 222-4462
DEM: SEPTEMBER 11 WEST NILE/EEE STATUS UPDATE PROVIDENCE - The Department of Environmental Management announces that test results from the remaining 64 mosquito pools, or samples, from 47 traps set statewide during the week of August 29 have been confirmed negative for both West Nile Virus and Eastern Equine Encephalitis.Two mosquito pools trapped in Westerly from that week were previously confirmed positive for Highlands J virus, a bird disease that doesn't affect humans, but which is an indicator that environmental conditions are appropriate for the transmission of other mosquito-borne viruses. The increasing numbers of mosquito pools, or samples, testing positive for Eastern Equine Encephalitis in Southern New England indicates that the Rhode Island area is now clearly at a higher than normal risk for EEE. In Massachusetts, there has been one death from EEE this year, and two other persons have contracted the often-deadly disease. Numerous mosquito pools have tested positive for EEE in that state; one pool of exclusively bird-biting mosquitoes from nearby Stonington, CT was recently found to be EEE-positive. Although no mosquito pools in Rhode Island have yet tested positive for EEE this year, state officials warn, it does not mean that the virus is not in the environment here. In past years in Rhode Island, EEE has been found primarily in South County and the Tiverton/Little Compton area; however, it has also been found in more northern communities. This year to date, in Rhode Island, six mosquito pools have tested positive for West Nile Virus, which is well-established throughout the state, and, indeed, the country. There has been one death in Connecticut this year from West Nile Virus. All Rhode Islanders should take extra care to protect themselves, particularly when mosquito-biting activity is high. Biting activity depends on several conditions. It generally is greatest from dusk to dawn. During the day it decreases in sunny areas at lower temperatures and increases in shady areas at higher temperatures. Biting activity also generally increases with high humidity and with low wind. 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. People should routinely use mosquito repellent and cover up when mosquito-biting activity is greatest. 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. Mosquitoes are trapped every week statewide by DEM staff and tested at the HEALTH laboratory. DEM will normally report mosquito test results once a week on a routine basis, generally by Wednesday, with additional reports as necessary. Positive mosquito test results will generally trigger additional trapping to assess risk. For online information about mosquito-borne diseases, go to DEM's website, www.state.dem.ri.gov, and click on "Public Health Updates", or go to the HEALTH website, www.health.ri.gov, and click on "E" (Eastern Equine Encephalitis) or "W" ((West Nile Virus)) under "Health Topics". -30- |
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