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Friday, June 16, 2017

West Nile Virus Surveillance Begins

Summer is here and the Health Unit is once again reminding residents about the dangers of West Nile virus (WNV).

What is West Nile Virus?

WNV is a disease that is transmitted to humans by mosquitoes. Evidence shows that many people infected with WNV will have mild symptoms or no symptoms at all. However, people with weaker immune systems and people with chronic diseases are at greater risk for serious health effects. Over the last several years, mosquitoes carrying WNV have been found in Perth County. Since 2010, there have been fewer than five cases of WNV human infection reported in Perth County.

Clean Up Standing Water

People can stop mosquitoes from breeding by getting rid of standing water around their home, farm and workplace at least once a week. “Objects that collect water, like birdbaths, children’s toys, pool covers and tires, are perfect mosquito breeding grounds,” says Dale Lyttle, Public Health Inspector.

Adult mosquitoes also like to rest in dense shrubbery. Keep bushes and shrubs clear of overgrowth and debris, and keep compost piles turned on a regular basis.

Protect Yourself from Mosquito Bites

The Health Unit also recommends that people protect themselves from mosquito bites by:

  • Using insect repellent containing DEET or Icaridin on clothing and exposed skin. Icaridin is a similar product to DEET and was registered in 2012 by Health Canada as a safe and effective insect repellent. Always read and follow label directions.
  • Covering up with light-coloured clothes, long sleeves and pants when outdoors or while in areas where mosquito activity is high.
  • Taking extra protection measures at dusk and dawn when mosquitoes are most active.

Health Unit WNV Prevention Plan

The Health Unit conducts larviciding and mosquito trapping and testing to track the virus in Perth County and help reduce the human health risk. The adult mosquito trapping surveillance program begins the last week of June with traps being hung at specific spots across Perth County. The mosquitoes that are caught are sent for identification and testing for WNV.

Catch basin larviciding, which helps control mosquito larvae, will take place in July and August in Stratford, Listowel, Mitchell and St. Marys.

“Catch basins are a primary breeding area for mosquitoes that carry the virus,” says Lyttle. “Larval control measures help stop young mosquitoes from growing into adult mosquitoes. It’s the adult mosquitoes that can transmit the virus to humans.”

For More Information:


Media Contact:

Chera Longston
Communications Manager
519-271-7600 ext 279
clongston@pdhu.on.ca
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