West Nile virus has reappeared in Suffolk this summer.

County health officials have reported finding the virus in mosquito samples collected in both June and July. Confirmed samples were all collected in western Suffolk, except one from Southaven Park in Yaphank on July 11.

To date, the county has confirmed the virus in nine mosquito samples.

West Nile virus, first detected in birds and mosquito samples in Suffolk County in 1999 and again each year thereafter, is transmitted to humans by the bite of an infected mosquito. No humans or horses have tested positive for West Nile virus in Suffolk so far this year.

The disease can be debilitating to humans and, rarely, fatal, according to health officials. The infection can sometimes cause fatal meningitis and encephalitis. It was first found in New York state in 1999. Since 2000, there were 490 human cases of West Nile recorded in New York, resulting in 37 deaths, according to state health department records.

“The confirmation of West Nile virus in mosquito samples or birds indicates the presence of West Nile virus in the area,” Suffolk County Health Commissioner Dr. James Tomarken said. “While there is no cause for alarm, we advise residents to cooperate with us in our efforts to reduce the exposure to the virus, which can be debilitating to humans.”

Most people infected with West Nile virus will experience mild or no symptoms, the health department said. Some people may develop severe symptoms including: high fever, headache, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness, vision loss, numbness and paralysis. The symptoms may last several weeks, and neurological effects may be permanent.

People — especially those 50 years of age or older, or those with compromised immune systems, who are most at risk, are urged to take precautions to avoid being bitten by mosquitoes.

To avoid mosquito bites, residents are advised to:

  • Minimize outdoor activities between dusk and dawn.
  • Wear shoes and socks, long pants and long-sleeved shirts when mosquitoes are active.
  • Use mosquito repellent, following label directions carefully.
  • Make sure all windows and doors have screens, and that all screens are in good repair.
  • Keep mosquitoes from laying eggs inside and outside of your home. Once a week, empty and scrub, turn over, cover, or throw out containers that hold water, such as vases, pet water bowls, flowerpot saucers, discarded tires, buckets, pool covers, birdbaths, trash cans and rain barrels.

Download a copy of Suffolk County’s informational brochure “Get the Buzz on Mosquito Protection,”  (also available in Spanish) and share it with your community.

Dead birds may indicate the presence of West Nile virus in the area. To report dead birds, call the Public Health Information Line in Suffolk County at 631-852-5999 from 9 a.m. to 4:30 p.m., Monday through Friday. Residents are encouraged to take a photograph of any bird in question.

To report mosquito problems or stagnant pools of water, call the Department of Public Works’ Vector Control Division at 631-852-4270.

For further information on West Nile virus, visit the Department of Health Services’ website

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Denise is a veteran local reporter, editor and attorney. Her work has been recognized with numerous journalism awards, including investigative reporting and writer of the year awards from the N.Y. Press Association. She was also honored in 2020 with a NY State Senate Woman of Distinction Award for her trailblazing work in local online news. She is a founder, owner and co-publisher of this website. Email Denise.