ALBANY - The New York State Department of Health has notified Suffolk County that a mosquito sample has tested positive for West Nile virus. The sample was collected from a mosquito pool found in Greenlawn by the Suffolk County Department of Health Services on July 1st. This is the first sample in Suffolk County to test positive for West Nile virus this year.

West Nile virus, first detected in Suffolk County in 1999 and again each year thereafter through 2007, is transmitted by the bite of an infected mosquito.  The virus can cause serious illness, and in some cases, death.   It is estimated that 20 percent of those who become infected will develop West Nile fever. Mild symptoms include fever, headache and body aches, and occasionally a skin rash and swollen lymph glands.  Symptoms of severe infection (West Nile encephalitis or meningitis) include high fever, muscle weakness, stupor and disorientation.   Since 2001, when the first human case of West Nile virus was identified in Suffolk County, there have been 30 human cases of infection, and four deaths, due to the virus.

Individuals, especially those 50 or over, or those with compromised immune systems, who are most at risk, are urged to take precautions to avoid being bitten by mosquitoes.  Make sure that your window and door screens are in place and in good repair; eliminate standing water from around your home and place of business; minimize the time you spend outdoors between dusk and dawn when mosquitoes are found in greatest numbers; wear shoes, socks, long pants and a long-sleeved shirt when outdoors for extended periods of time; and consider the use of a mosquito repellent containing DEET when it is necessary to be outdoors in mosquito infested areas.