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West Nile Virus Found in Lake County

posted Aug 5, 2013, 7:01 AM by Brian Donahoe   [ updated Aug 5, 2013, 7:11 AM ]

Mosquito pools (or batch of mosquitoes), sampled July 25 in Deerfield and July 26 in Lake Villa Township have tested 

positive for West Nile virus. The mosquito pools are the first confirmed indicators of the disease's presence in Lake County in 2013. In 2012 there were seven human cases, three birds and 98 mosquito pools that tested positive for the virus in the county.


"We recommend that residents protect themselves against mosquito bites by reducing their exposure to mosquitoes and wearing insect repellent outdoors," said Tony Beltran, the Health Department's Executive Director.


The Health Department maintains a West Nile virus hotline for county residents to report areas of stagnant water (which are conducive for mosquito breeding), to report locations of dead birds, or to obtain more information on the signs and symptoms of West Nile encephalitis. The West Nile hotline number is: (847) 377-8300.  

Recommendations to prevent mosquito breeding include:

  • Discard old tires, buckets, drums or any water holding containers. Poke holes in tires used as bumpers on docks
  • Keep roof gutters and downspouts clear of debris
  • Keep trash containers covered
  • Empty plastic wading pools at least once a week and store indoors when not in use
  • Drain unused swimming pools
  • Fill in tree rot holes and hollow stumps that hold water
  • Change the water in bird baths and plant urns at least once a week
  • Store boats upside down or drain rainwater weekly


Recommendations to prevent mosquito bites include:

  • Whenever possible, limit outdoor activity at dusk
  • Wear light-colored clothing that minimizes exposed skin and provides some protection from mosquito bites
  • Make sure door and window screens fit tightly and that all holes are repaired
  • Apply insect repellent that includes DEET, picaridin, oil of lemon eucalyptus or IR 3535 according to label instructions. Consult a physician before using repellents on infants.
source: Diano O'kelly 8/5/2013 newsletter