West Nile Virus Surveillance - Halton Region

West Nile virus activity is determined by the surveillance of:

  1. mosquito larvae
  2. adult mosquito pools
  3. humans

Protect yourself.

Wear long-sleeved shirts, long pants, socks and shoes when outdoors in the evening or early morning. Use an insect repellent approved by the Pest Management Regulatory Agency (PMRA).

Remove standing water.

Remove or change all standing water around your home to reduce potential mosquito breeding areas.

Prevention and Control Measures

Surveillance for WNV has ended for 2014 and will restart May 2015.

Year to Date 2014

Halton Total Burlington Oakville Halton Hills Milton
Mosquito Pools Positive for WNV Reported 3 1 1 0 1
# Probable Human Cases Reported 1
1 0 0 0
# Confirmed Human Cases Reported 1 1 0 0 0
# Larvicide Applications to Standing Water 1,025
133 183

For more information about West Nile virus, please call the Halton Region Health Department.