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West Nile Virus

Notice of Pesticide Use for Mosquito Control

Between June 23 and September 30, 2016 the City is conducting a larviciding program under the authority of the Local Medical Officer of Health to control larval mosquitoes in order to prevent their development into vectors of West Nile Virus. The pellet formulation of Altosid Methoprene Pellets Mosquito Growth Regulator PCPA# 21809 or the pouch formulation of Vectolex WSP Biological Larvicide PCPA# 28009 will be placed into municipally owned catch basins of storm drains within the boundaries of the City of Barrie.

All larvicide will be applied by applicators, licensed by the Ministry of the Environment, or their supervised technicians. Municipally owned catch basins on private property will be treated upon request of the home owner. A consent form must be signed by the home owner prior to treatment. For details on the locations and dates of treatment please call 705-739-4219.

What is West Nile Virus?

West Nile Virus is a mosquito-borne virus that can cause illness.  This virus can be spread to humans by the bite of an infected mosquito. Mosquitoes become carriers of the virus when they feed on infected birds. Human infections from the virus are rare and those affected usually experience only mild symptoms such as fever or headaches. The transmission of West Nile Virus can be greatly reduced by eliminating mosquito-breeding sites around your home and property.

What is a Mosquito-Breeding Site?

A mosquito-breeding site is any container, depression, or area containing stagnant water for a period longer than seven days.  Mosquitos lay their eggs in this water and the larva grows and emerges as a mosquito in a few days. By preventing and eliminating breeding sites, adult mosquito numbers can be decreased, which can then reduce your risk of being bitten by a mosquito.

Examples of Mosquito-Breeding Sites

  • Rain barrels
  • Ponds
  • Bird baths
  • Pool covers
  • Boats and or canoes
  • Old tires
  • Lawn equipment and ornaments

What Can I Do?

To eliminate potential breeding sites:

  • Keep grass cut and trim shrubs and bushes
  • Keep swimming pools, spas and hot tubs chlorinated and covered tightly when not in use
  • Change birdbath water weekly
  • Ensure water doesn’t accumulate in tires and tire swings
  • Empty buckets, wheel barrows and pots
  • Store small boats and canoes upside down
  • Be sure boat covers do not accumulate water
  • Keep eavestroughs and rain gutters clean
  • Drain plastic covers on lawn chairs and other outdoor equipment weekly

How to Protect Yourself?

You can help reduce your chance of being bitten by a mosquito by:

  • Wearing long-sleeved shirts and long pants when outdoors
  • Applying a repellent containing DEET sparingly to skin and clothing
  • Making sure all windows and doors in your home have screens that are in good condition

 

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