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Posted on: June 16, 2017

West Nile Prevention

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Do Your Part to Prevent West Nile Virus

Franklin County Public Health has been actively trapping mosquitoes since Mid-May to monitor the population and test for West Nile virus (WNV).  Through this surveillance, we know there is WNV in our community.

It is not unexpected to see WNV in mosquitoes in our community.  WNV has been present for many years and historically begins to show up at this time of the year. It is a good reminder for residents to take precautionary steps to protect themselves and their families.

  • Wear insect repellant containing DEET (follow package directions)
  • Limit outdoor activity at dusk and dawn when mosquitoes are most active
  • Eliminate all standing water around your home (mosquitoes breed in water and it doesn’t take much)

WNV can be transmitted to people through the bite of an infected mosquito.  Symptoms include mild fever, headache and body aches, often with skin rash and swollen lymph glands.  Eighty percent of people bitten by an infected mosquito will not show any symptoms at all. Less than one percent of those who do have symptoms will become severely ill. Franklin County had one human case of WNV in 2016 and three human cases in 2015.  

Franklin County Public Health will continue their comprehensive mosquito control program throughout the mosquito season. Fifty Gravid mosquito traps are set weekly throughout the county to trap and identify culex mosquitoes, which have the potential to carry WNV.  The mosquitoes in each trap are identified and grouped into pools of fifty. Based on historical data and/or high trap counts, some mosquito pools are tested for WNV in our facility to give us quick results. All mosquitoes are sent to the Ohio Department of Health for WNV testing.

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